Home / 14,520.38-21,780.58-4,132.13

Finding the Fourth Proportional to 14,520.38, 21,780.58 and 4,132.13

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Solution

The fourth proportional to 14,520.38, 21,780.58 and 4,132.13 is: 6,198.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,520.38 : 21,780.58 = 4,132.13 : x
  2. Step 2: Convert to fraction form
    14,520.38/21,780.58 = 4,132.13/x
  3. Step 3: Cross multiply
    14,520.38x = 21,780.58 × 4,132.13
  4. Step 4: Simplify right side
    14,520.38x = 90,000,188.04
  5. Step 5: Solve for x
    x = 90,000,188.04/14,520.38
  6. Step 6: Final answer
    x = 6,198.20

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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.