Home / 14,668.52-20,242.17-8,380.89

Finding the Fourth Proportional to 14,668.52, 20,242.17 and 8,380.89

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Solution

The fourth proportional to 14,668.52, 20,242.17 and 8,380.89 is: 11,565.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,668.52 : 20,242.17 = 8,380.89 : x
  2. Step 2: Convert to fraction form
    14,668.52/20,242.17 = 8,380.89/x
  3. Step 3: Cross multiply
    14,668.52x = 20,242.17 × 8,380.89
  4. Step 4: Simplify right side
    14,668.52x = 169,647,400.13
  5. Step 5: Solve for x
    x = 169,647,400.13/14,668.52
  6. Step 6: Final answer
    x = 11,565.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.