Home / 23,187.80-34,781.12-12,668.04

Finding the Fourth Proportional to 23,187.80, 34,781.12 and 12,668.04

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Solution

The fourth proportional to 23,187.80, 34,781.12 and 12,668.04 is: 19,001.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,187.80 : 34,781.12 = 12,668.04 : x
  2. Step 2: Convert to fraction form
    23,187.80/34,781.12 = 12,668.04/x
  3. Step 3: Cross multiply
    23,187.80x = 34,781.12 × 12,668.04
  4. Step 4: Simplify right side
    23,187.80x = 440,608,619.40
  5. Step 5: Solve for x
    x = 440,608,619.40/23,187.80
  6. Step 6: Final answer
    x = 19,001.74

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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.