Home / 15,108.49-22,654.94-6,781.36

Finding the Fourth Proportional to 15,108.49, 22,654.94 and 6,781.36

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Solution

The fourth proportional to 15,108.49, 22,654.94 and 6,781.36 is: 10,168.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,108.49 : 22,654.94 = 6,781.36 : x
  2. Step 2: Convert to fraction form
    15,108.49/22,654.94 = 6,781.36/x
  3. Step 3: Cross multiply
    15,108.49x = 22,654.94 × 6,781.36
  4. Step 4: Simplify right side
    15,108.49x = 153,631,352.08
  5. Step 5: Solve for x
    x = 153,631,352.08/15,108.49
  6. Step 6: Final answer
    x = 10,168.55

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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.