Home / 15,422.43-23,086.46-9,881.12

Finding the Fourth Proportional to 15,422.43, 23,086.46 and 9,881.12

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Solution

The fourth proportional to 15,422.43, 23,086.46 and 9,881.12 is: 14,791.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,422.43 : 23,086.46 = 9,881.12 : x
  2. Step 2: Convert to fraction form
    15,422.43/23,086.46 = 9,881.12/x
  3. Step 3: Cross multiply
    15,422.43x = 23,086.46 × 9,881.12
  4. Step 4: Simplify right side
    15,422.43x = 228,119,916.80
  5. Step 5: Solve for x
    x = 228,119,916.80/15,422.43
  6. Step 6: Final answer
    x = 14,791.44

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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.