Home / 15,540.12-23,310.90-4,448.39

Finding the Fourth Proportional to 15,540.12, 23,310.90 and 4,448.39

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Solution

The fourth proportional to 15,540.12, 23,310.90 and 4,448.39 is: 6,672.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,540.12 : 23,310.90 = 4,448.39 : x
  2. Step 2: Convert to fraction form
    15,540.12/23,310.90 = 4,448.39/x
  3. Step 3: Cross multiply
    15,540.12x = 23,310.90 × 4,448.39
  4. Step 4: Simplify right side
    15,540.12x = 103,695,857.90
  5. Step 5: Solve for x
    x = 103,695,857.90/15,540.12
  6. Step 6: Final answer
    x = 6,672.78

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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.