Home / 15,213.28-21,001.92-9,556.24

Finding the Fourth Proportional to 15,213.28, 21,001.92 and 9,556.24

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Solution

The fourth proportional to 15,213.28, 21,001.92 and 9,556.24 is: 13,192.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,213.28 : 21,001.92 = 9,556.24 : x
  2. Step 2: Convert to fraction form
    15,213.28/21,001.92 = 9,556.24/x
  3. Step 3: Cross multiply
    15,213.28x = 21,001.92 × 9,556.24
  4. Step 4: Simplify right side
    15,213.28x = 200,699,387.98
  5. Step 5: Solve for x
    x = 200,699,387.98/15,213.28
  6. Step 6: Final answer
    x = 13,192.38

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Double scale
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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.