Home / 14,921.52-22,381.65-5,060.78

Finding the Fourth Proportional to 14,921.52, 22,381.65 and 5,060.78

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Solution

The fourth proportional to 14,921.52, 22,381.65 and 5,060.78 is: 7,590.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,921.52 : 22,381.65 = 5,060.78 : x
  2. Step 2: Convert to fraction form
    14,921.52/22,381.65 = 5,060.78/x
  3. Step 3: Cross multiply
    14,921.52x = 22,381.65 × 5,060.78
  4. Step 4: Simplify right side
    14,921.52x = 113,268,578.71
  5. Step 5: Solve for x
    x = 113,268,578.71/14,921.52
  6. Step 6: Final answer
    x = 7,590.96

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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.