Home / 23,150.75-31,948.01-12,540.43

Finding the Fourth Proportional to 23,150.75, 31,948.01 and 12,540.43

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Solution

The fourth proportional to 23,150.75, 31,948.01 and 12,540.43 is: 17,305.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,150.75 : 31,948.01 = 12,540.43 : x
  2. Step 2: Convert to fraction form
    23,150.75/31,948.01 = 12,540.43/x
  3. Step 3: Cross multiply
    23,150.75x = 31,948.01 × 12,540.43
  4. Step 4: Simplify right side
    23,150.75x = 400,641,640.47
  5. Step 5: Solve for x
    x = 400,641,640.47/23,150.75
  6. Step 6: Final answer
    x = 17,305.77

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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.