Home / 14,487.97-21,733.78-5,125.79

Finding the Fourth Proportional to 14,487.97, 21,733.78 and 5,125.79

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Solution

The fourth proportional to 14,487.97, 21,733.78 and 5,125.79 is: 7,689.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,487.97 : 21,733.78 = 5,125.79 : x
  2. Step 2: Convert to fraction form
    14,487.97/21,733.78 = 5,125.79/x
  3. Step 3: Cross multiply
    14,487.97x = 21,733.78 × 5,125.79
  4. Step 4: Simplify right side
    14,487.97x = 111,402,792.19
  5. Step 5: Solve for x
    x = 111,402,792.19/14,487.97
  6. Step 6: Final answer
    x = 7,689.33

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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.