Home / 10,381.52-15,572.51-3,718.47

Finding the Fourth Proportional to 10,381.52, 15,572.51 and 3,718.47

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Solution

The fourth proportional to 10,381.52, 15,572.51 and 3,718.47 is: 5,577.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,381.52 : 15,572.51 = 3,718.47 : x
  2. Step 2: Convert to fraction form
    10,381.52/15,572.51 = 3,718.47/x
  3. Step 3: Cross multiply
    10,381.52x = 15,572.51 × 3,718.47
  4. Step 4: Simplify right side
    10,381.52x = 57,905,920.56
  5. Step 5: Solve for x
    x = 57,905,920.56/10,381.52
  6. Step 6: Final answer
    x = 5,577.79

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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.