Home / 17,517.20-26,261.40-9,309.20

Finding the Fourth Proportional to 17,517.20, 26,261.40 and 9,309.20

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Solution

The fourth proportional to 17,517.20, 26,261.40 and 9,309.20 is: 13,956.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,517.20 : 26,261.40 = 9,309.20 : x
  2. Step 2: Convert to fraction form
    17,517.20/26,261.40 = 9,309.20/x
  3. Step 3: Cross multiply
    17,517.20x = 26,261.40 × 9,309.20
  4. Step 4: Simplify right side
    17,517.20x = 244,472,624.88
  5. Step 5: Solve for x
    x = 244,472,624.88/17,517.20
  6. Step 6: Final answer
    x = 13,956.15

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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.