Home / 15,103.10-22,668.50-8,091.04

Finding the Fourth Proportional to 15,103.10, 22,668.50 and 8,091.04

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Solution

The fourth proportional to 15,103.10, 22,668.50 and 8,091.04 is: 12,143.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,103.10 : 22,668.50 = 8,091.04 : x
  2. Step 2: Convert to fraction form
    15,103.10/22,668.50 = 8,091.04/x
  3. Step 3: Cross multiply
    15,103.10x = 22,668.50 × 8,091.04
  4. Step 4: Simplify right side
    15,103.10x = 183,411,586.44
  5. Step 5: Solve for x
    x = 183,411,586.44/15,103.10
  6. Step 6: Final answer
    x = 12,143.97

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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.