Home / 15,051.30-22,585.05-12,869.97

Finding the Fourth Proportional to 15,051.30, 22,585.05 and 12,869.97

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Solution

The fourth proportional to 15,051.30, 22,585.05 and 12,869.97 is: 19,311.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,051.30 : 22,585.05 = 12,869.97 : x
  2. Step 2: Convert to fraction form
    15,051.30/22,585.05 = 12,869.97/x
  3. Step 3: Cross multiply
    15,051.30x = 22,585.05 × 12,869.97
  4. Step 4: Simplify right side
    15,051.30x = 290,668,915.95
  5. Step 5: Solve for x
    x = 290,668,915.95/15,051.30
  6. Step 6: Final answer
    x = 19,311.88

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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.