Home / 14,722.38-20,321.19-8,758.26

Finding the Fourth Proportional to 14,722.38, 20,321.19 and 8,758.26

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Solution

The fourth proportional to 14,722.38, 20,321.19 and 8,758.26 is: 12,088.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,722.38 : 20,321.19 = 8,758.26 : x
  2. Step 2: Convert to fraction form
    14,722.38/20,321.19 = 8,758.26/x
  3. Step 3: Cross multiply
    14,722.38x = 20,321.19 × 8,758.26
  4. Step 4: Simplify right side
    14,722.38x = 177,978,265.53
  5. Step 5: Solve for x
    x = 177,978,265.53/14,722.38
  6. Step 6: Final answer
    x = 12,088.96

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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.