Home / 20,098.46-27,734.50-11,145.13

Finding the Fourth Proportional to 20,098.46, 27,734.50 and 11,145.13

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Solution

The fourth proportional to 20,098.46, 27,734.50 and 11,145.13 is: 15,379.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,098.46 : 27,734.50 = 11,145.13 : x
  2. Step 2: Convert to fraction form
    20,098.46/27,734.50 = 11,145.13/x
  3. Step 3: Cross multiply
    20,098.46x = 27,734.50 × 11,145.13
  4. Step 4: Simplify right side
    20,098.46x = 309,104,552.58
  5. Step 5: Solve for x
    x = 309,104,552.58/20,098.46
  6. Step 6: Final answer
    x = 15,379.51

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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.