Home / 14,132.97-21,184.59-4,769.71

Finding the Fourth Proportional to 14,132.97, 21,184.59 and 4,769.71

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Solution

The fourth proportional to 14,132.97, 21,184.59 and 4,769.71 is: 7,149.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,132.97 : 21,184.59 = 4,769.71 : x
  2. Step 2: Convert to fraction form
    14,132.97/21,184.59 = 4,769.71/x
  3. Step 3: Cross multiply
    14,132.97x = 21,184.59 × 4,769.71
  4. Step 4: Simplify right side
    14,132.97x = 101,044,350.77
  5. Step 5: Solve for x
    x = 101,044,350.77/14,132.97
  6. Step 6: Final answer
    x = 7,149.55

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1.5x scale

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.