Home / 15,929.80-23,897.10-8,134.36

Finding the Fourth Proportional to 15,929.80, 23,897.10 and 8,134.36

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Solution

The fourth proportional to 15,929.80, 23,897.10 and 8,134.36 is: 12,202.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,929.80 : 23,897.10 = 8,134.36 : x
  2. Step 2: Convert to fraction form
    15,929.80/23,897.10 = 8,134.36/x
  3. Step 3: Cross multiply
    15,929.80x = 23,897.10 × 8,134.36
  4. Step 4: Simplify right side
    15,929.80x = 194,387,614.36
  5. Step 5: Solve for x
    x = 194,387,614.36/15,929.80
  6. Step 6: Final answer
    x = 12,202.77

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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.