Home / 15,108.66-22,670.19-9,261.90

Finding the Fourth Proportional to 15,108.66, 22,670.19 and 9,261.90

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Solution

The fourth proportional to 15,108.66, 22,670.19 and 9,261.90 is: 13,897.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,108.66 : 22,670.19 = 9,261.90 : x
  2. Step 2: Convert to fraction form
    15,108.66/22,670.19 = 9,261.90/x
  3. Step 3: Cross multiply
    15,108.66x = 22,670.19 × 9,261.90
  4. Step 4: Simplify right side
    15,108.66x = 209,969,032.76
  5. Step 5: Solve for x
    x = 209,969,032.76/15,108.66
  6. Step 6: Final answer
    x = 13,897.26

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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.