Home / 16,989.60-25,456.68-10,401.96

Finding the Fourth Proportional to 16,989.60, 25,456.68 and 10,401.96

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Solution

The fourth proportional to 16,989.60, 25,456.68 and 10,401.96 is: 15,585.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,989.60 : 25,456.68 = 10,401.96 : x
  2. Step 2: Convert to fraction form
    16,989.60/25,456.68 = 10,401.96/x
  3. Step 3: Cross multiply
    16,989.60x = 25,456.68 × 10,401.96
  4. Step 4: Simplify right side
    16,989.60x = 264,799,367.09
  5. Step 5: Solve for x
    x = 264,799,367.09/16,989.60
  6. Step 6: Final answer
    x = 15,585.97

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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.