Home / 10,131.08-15,197.22-3,557.72

Finding the Fourth Proportional to 10,131.08, 15,197.22 and 3,557.72

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Solution

The fourth proportional to 10,131.08, 15,197.22 and 3,557.72 is: 5,336.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,131.08 : 15,197.22 = 3,557.72 : x
  2. Step 2: Convert to fraction form
    10,131.08/15,197.22 = 3,557.72/x
  3. Step 3: Cross multiply
    10,131.08x = 15,197.22 × 3,557.72
  4. Step 4: Simplify right side
    10,131.08x = 54,067,491.53
  5. Step 5: Solve for x
    x = 54,067,491.53/10,131.08
  6. Step 6: Final answer
    x = 5,336.80

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.