Home / 15,127.86-22,695.29-5,132.07

Finding the Fourth Proportional to 15,127.86, 22,695.29 and 5,132.07

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Solution

The fourth proportional to 15,127.86, 22,695.29 and 5,132.07 is: 7,699.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,127.86 : 22,695.29 = 5,132.07 : x
  2. Step 2: Convert to fraction form
    15,127.86/22,695.29 = 5,132.07/x
  3. Step 3: Cross multiply
    15,127.86x = 22,695.29 × 5,132.07
  4. Step 4: Simplify right side
    15,127.86x = 116,473,816.95
  5. Step 5: Solve for x
    x = 116,473,816.95/15,127.86
  6. Step 6: Final answer
    x = 7,699.29

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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.