Home / 13,717.27-20,548.49-6,311.57

Finding the Fourth Proportional to 13,717.27, 20,548.49 and 6,311.57

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Solution

The fourth proportional to 13,717.27, 20,548.49 and 6,311.57 is: 9,454.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,717.27 : 20,548.49 = 6,311.57 : x
  2. Step 2: Convert to fraction form
    13,717.27/20,548.49 = 6,311.57/x
  3. Step 3: Cross multiply
    13,717.27x = 20,548.49 × 6,311.57
  4. Step 4: Simplify right side
    13,717.27x = 129,693,233.03
  5. Step 5: Solve for x
    x = 129,693,233.03/13,717.27
  6. Step 6: Final answer
    x = 9,454.74

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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.