Home / 15,324.14-21,149.62-9,359.30

Finding the Fourth Proportional to 15,324.14, 21,149.62 and 9,359.30

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Solution

The fourth proportional to 15,324.14, 21,149.62 and 9,359.30 is: 12,917.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,324.14 : 21,149.62 = 9,359.30 : x
  2. Step 2: Convert to fraction form
    15,324.14/21,149.62 = 9,359.30/x
  3. Step 3: Cross multiply
    15,324.14x = 21,149.62 × 9,359.30
  4. Step 4: Simplify right side
    15,324.14x = 197,945,638.47
  5. Step 5: Solve for x
    x = 197,945,638.47/15,324.14
  6. Step 6: Final answer
    x = 12,917.24

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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.