Home / 15,209.19-22,815.98-4,680.11

Finding the Fourth Proportional to 15,209.19, 22,815.98 and 4,680.11

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Solution

The fourth proportional to 15,209.19, 22,815.98 and 4,680.11 is: 7,020.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,209.19 : 22,815.98 = 4,680.11 : x
  2. Step 2: Convert to fraction form
    15,209.19/22,815.98 = 4,680.11/x
  3. Step 3: Cross multiply
    15,209.19x = 22,815.98 × 4,680.11
  4. Step 4: Simplify right side
    15,209.19x = 106,781,158.68
  5. Step 5: Solve for x
    x = 106,781,158.68/15,209.19
  6. Step 6: Final answer
    x = 7,020.83

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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.