Home / 15,179.52-22,770.36-4,791

Finding the Fourth Proportional to 15,179.52, 22,770.36 and 4,791

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Solution

The fourth proportional to 15,179.52, 22,770.36 and 4,791 is: 7,186.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,179.52 : 22,770.36 = 4,791 : x
  2. Step 2: Convert to fraction form
    15,179.52/22,770.36 = 4,791/x
  3. Step 3: Cross multiply
    15,179.52x = 22,770.36 × 4,791
  4. Step 4: Simplify right side
    15,179.52x = 109,092,794.76
  5. Step 5: Solve for x
    x = 109,092,794.76/15,179.52
  6. Step 6: Final answer
    x = 7,186.84

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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.