Home / 15,115.38-22,644.52-8,521.58

Finding the Fourth Proportional to 15,115.38, 22,644.52 and 8,521.58

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Solution

The fourth proportional to 15,115.38, 22,644.52 and 8,521.58 is: 12,766.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,115.38 : 22,644.52 = 8,521.58 : x
  2. Step 2: Convert to fraction form
    15,115.38/22,644.52 = 8,521.58/x
  3. Step 3: Cross multiply
    15,115.38x = 22,644.52 × 8,521.58
  4. Step 4: Simplify right side
    15,115.38x = 192,967,088.74
  5. Step 5: Solve for x
    x = 192,967,088.74/15,115.38
  6. Step 6: Final answer
    x = 12,766.27

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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.