Home / 15,269.43-23,008.17-12,556.87

Finding the Fourth Proportional to 15,269.43, 23,008.17 and 12,556.87

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Solution

The fourth proportional to 15,269.43, 23,008.17 and 12,556.87 is: 18,920.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,269.43 : 23,008.17 = 12,556.87 : x
  2. Step 2: Convert to fraction form
    15,269.43/23,008.17 = 12,556.87/x
  3. Step 3: Cross multiply
    15,269.43x = 23,008.17 × 12,556.87
  4. Step 4: Simplify right side
    15,269.43x = 288,910,589.20
  5. Step 5: Solve for x
    x = 288,910,589.20/15,269.43
  6. Step 6: Final answer
    x = 18,920.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.