Home / 14,170.36-21,256.08-7,236.76

Finding the Fourth Proportional to 14,170.36, 21,256.08 and 7,236.76

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Solution

The fourth proportional to 14,170.36, 21,256.08 and 7,236.76 is: 10,855.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,170.36 : 21,256.08 = 7,236.76 : x
  2. Step 2: Convert to fraction form
    14,170.36/21,256.08 = 7,236.76/x
  3. Step 3: Cross multiply
    14,170.36x = 21,256.08 × 7,236.76
  4. Step 4: Simplify right side
    14,170.36x = 153,825,149.50
  5. Step 5: Solve for x
    x = 153,825,149.50/14,170.36
  6. Step 6: Final answer
    x = 10,855.42

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Half scale
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Double scale
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Similar ratio
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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.