Home / 20,695.32-31,045.68-9,600.48

Finding the Fourth Proportional to 20,695.32, 31,045.68 and 9,600.48

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Solution

The fourth proportional to 20,695.32, 31,045.68 and 9,600.48 is: 14,401.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,695.32 : 31,045.68 = 9,600.48 : x
  2. Step 2: Convert to fraction form
    20,695.32/31,045.68 = 9,600.48/x
  3. Step 3: Cross multiply
    20,695.32x = 31,045.68 × 9,600.48
  4. Step 4: Simplify right side
    20,695.32x = 298,053,429.93
  5. Step 5: Solve for x
    x = 298,053,429.93/20,695.32
  6. Step 6: Final answer
    x = 14,401.97

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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.