Home / 15,839.40-23,789.86-11,662.92

Finding the Fourth Proportional to 15,839.40, 23,789.86 and 11,662.92

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Solution

The fourth proportional to 15,839.40, 23,789.86 and 11,662.92 is: 17,517.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,839.40 : 23,789.86 = 11,662.92 : x
  2. Step 2: Convert to fraction form
    15,839.40/23,789.86 = 11,662.92/x
  3. Step 3: Cross multiply
    15,839.40x = 23,789.86 × 11,662.92
  4. Step 4: Simplify right side
    15,839.40x = 277,459,056.73
  5. Step 5: Solve for x
    x = 277,459,056.73/15,839.40
  6. Step 6: Final answer
    x = 17,517.02

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1.5x scale

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.