Home / 23,209.20-32,029.83-13,137.12

Finding the Fourth Proportional to 23,209.20, 32,029.83 and 13,137.12

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Solution

The fourth proportional to 23,209.20, 32,029.83 and 13,137.12 is: 18,129.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,209.20 : 32,029.83 = 13,137.12 : x
  2. Step 2: Convert to fraction form
    23,209.20/32,029.83 = 13,137.12/x
  3. Step 3: Cross multiply
    23,209.20x = 32,029.83 × 13,137.12
  4. Step 4: Simplify right side
    23,209.20x = 420,779,720.29
  5. Step 5: Solve for x
    x = 420,779,720.29/23,209.20
  6. Step 6: Final answer
    x = 18,129.87

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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.