Home / 13,517.40-20,275.86-11,301.24

Finding the Fourth Proportional to 13,517.40, 20,275.86 and 11,301.24

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Solution

The fourth proportional to 13,517.40, 20,275.86 and 11,301.24 is: 16,951.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,517.40 : 20,275.86 = 11,301.24 : x
  2. Step 2: Convert to fraction form
    13,517.40/20,275.86 = 11,301.24/x
  3. Step 3: Cross multiply
    13,517.40x = 20,275.86 × 11,301.24
  4. Step 4: Simplify right side
    13,517.40x = 229,142,360.07
  5. Step 5: Solve for x
    x = 229,142,360.07/13,517.40
  6. Step 6: Final answer
    x = 16,951.66

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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.