Home / 15,381.32-23,073.11-5,520.68

Finding the Fourth Proportional to 15,381.32, 23,073.11 and 5,520.68

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Solution

The fourth proportional to 15,381.32, 23,073.11 and 5,520.68 is: 8,281.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,381.32 : 23,073.11 = 5,520.68 : x
  2. Step 2: Convert to fraction form
    15,381.32/23,073.11 = 5,520.68/x
  3. Step 3: Cross multiply
    15,381.32x = 23,073.11 × 5,520.68
  4. Step 4: Simplify right side
    15,381.32x = 127,379,268.50
  5. Step 5: Solve for x
    x = 127,379,268.50/15,381.32
  6. Step 6: Final answer
    x = 8,281.43

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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.