Home / 23,154.25-31,952.75-12,543.91

Finding the Fourth Proportional to 23,154.25, 31,952.75 and 12,543.91

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Solution

The fourth proportional to 23,154.25, 31,952.75 and 12,543.91 is: 17,310.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,154.25 : 31,952.75 = 12,543.91 : x
  2. Step 2: Convert to fraction form
    23,154.25/31,952.75 = 12,543.91/x
  3. Step 3: Cross multiply
    23,154.25x = 31,952.75 × 12,543.91
  4. Step 4: Simplify right side
    23,154.25x = 400,812,371.73
  5. Step 5: Solve for x
    x = 400,812,371.73/23,154.25
  6. Step 6: Final answer
    x = 17,310.53

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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.