Home / 23,153.25-31,951.62-12,542.90

Finding the Fourth Proportional to 23,153.25, 31,951.62 and 12,542.90

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Solution

The fourth proportional to 23,153.25, 31,951.62 and 12,542.90 is: 17,309.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,153.25 : 31,951.62 = 12,542.90 : x
  2. Step 2: Convert to fraction form
    23,153.25/31,951.62 = 12,542.90/x
  3. Step 3: Cross multiply
    23,153.25x = 31,951.62 × 12,542.90
  4. Step 4: Simplify right side
    23,153.25x = 400,765,814.74
  5. Step 5: Solve for x
    x = 400,765,814.74/23,153.25
  6. Step 6: Final answer
    x = 17,309.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.