Home / 11,012.38-15,197.39-6,231.35

Finding the Fourth Proportional to 11,012.38, 15,197.39 and 6,231.35

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Solution

The fourth proportional to 11,012.38, 15,197.39 and 6,231.35 is: 8,599.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,012.38 : 15,197.39 = 6,231.35 : x
  2. Step 2: Convert to fraction form
    11,012.38/15,197.39 = 6,231.35/x
  3. Step 3: Cross multiply
    11,012.38x = 15,197.39 × 6,231.35
  4. Step 4: Simplify right side
    11,012.38x = 94,700,256.18
  5. Step 5: Solve for x
    x = 94,700,256.18/11,012.38
  6. Step 6: Final answer
    x = 8,599.44

Related Problems

Find fourth proportional to 5,506.19, 7,598.70 and 3,115.68
Half scale
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Double scale
Find fourth proportional to 11,013.38, 15,198.77 and 6,232.35
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.