Home / 10,240.32-14,132.38-5,764.52

Finding the Fourth Proportional to 10,240.32, 14,132.38 and 5,764.52

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Solution

The fourth proportional to 10,240.32, 14,132.38 and 5,764.52 is: 7,955.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,240.32 : 14,132.38 = 5,764.52 : x
  2. Step 2: Convert to fraction form
    10,240.32/14,132.38 = 5,764.52/x
  3. Step 3: Cross multiply
    10,240.32x = 14,132.38 × 5,764.52
  4. Step 4: Simplify right side
    10,240.32x = 81,466,387.16
  5. Step 5: Solve for x
    x = 81,466,387.16/10,240.32
  6. Step 6: Final answer
    x = 7,955.45

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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.