Home / 23,740.34-32,761.11-13,129.75

Finding the Fourth Proportional to 23,740.34, 32,761.11 and 13,129.75

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Solution

The fourth proportional to 23,740.34, 32,761.11 and 13,129.75 is: 18,118.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,740.34 : 32,761.11 = 13,129.75 : x
  2. Step 2: Convert to fraction form
    23,740.34/32,761.11 = 13,129.75/x
  3. Step 3: Cross multiply
    23,740.34x = 32,761.11 × 13,129.75
  4. Step 4: Simplify right side
    23,740.34x = 430,145,102.12
  5. Step 5: Solve for x
    x = 430,145,102.12/23,740.34
  6. Step 6: Final answer
    x = 18,118.74

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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.