Home / 15,282.88-22,920.17-4,186.89

Finding the Fourth Proportional to 15,282.88, 22,920.17 and 4,186.89

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Solution

The fourth proportional to 15,282.88, 22,920.17 and 4,186.89 is: 6,279.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,282.88 : 22,920.17 = 4,186.89 : x
  2. Step 2: Convert to fraction form
    15,282.88/22,920.17 = 4,186.89/x
  3. Step 3: Cross multiply
    15,282.88x = 22,920.17 × 4,186.89
  4. Step 4: Simplify right side
    15,282.88x = 95,964,209.64
  5. Step 5: Solve for x
    x = 95,964,209.64/15,282.88
  6. Step 6: Final answer
    x = 6,279.20

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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.