Home / 15,385.62-23,078.41-5,524.91

Finding the Fourth Proportional to 15,385.62, 23,078.41 and 5,524.91

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Solution

The fourth proportional to 15,385.62, 23,078.41 and 5,524.91 is: 8,287.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,385.62 : 23,078.41 = 5,524.91 : x
  2. Step 2: Convert to fraction form
    15,385.62/23,078.41 = 5,524.91/x
  3. Step 3: Cross multiply
    15,385.62x = 23,078.41 × 5,524.91
  4. Step 4: Simplify right side
    15,385.62x = 127,506,049.21
  5. Step 5: Solve for x
    x = 127,506,049.21/15,385.62
  6. Step 6: Final answer
    x = 8,287.35

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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.