Home / 10,153.56-15,227.90-3,489.28

Finding the Fourth Proportional to 10,153.56, 15,227.90 and 3,489.28

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Solution

The fourth proportional to 10,153.56, 15,227.90 and 3,489.28 is: 5,233.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,153.56 : 15,227.90 = 3,489.28 : x
  2. Step 2: Convert to fraction form
    10,153.56/15,227.90 = 3,489.28/x
  3. Step 3: Cross multiply
    10,153.56x = 15,227.90 × 3,489.28
  4. Step 4: Simplify right side
    10,153.56x = 53,134,389.47
  5. Step 5: Solve for x
    x = 53,134,389.47/10,153.56
  6. Step 6: Final answer
    x = 5,233.08

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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.