Home / 18,070.80-27,101.28-6,382.56

Finding the Fourth Proportional to 18,070.80, 27,101.28 and 6,382.56

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Solution

The fourth proportional to 18,070.80, 27,101.28 and 6,382.56 is: 9,572.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,070.80 : 27,101.28 = 6,382.56 : x
  2. Step 2: Convert to fraction form
    18,070.80/27,101.28 = 6,382.56/x
  3. Step 3: Cross multiply
    18,070.80x = 27,101.28 × 6,382.56
  4. Step 4: Simplify right side
    18,070.80x = 172,975,545.68
  5. Step 5: Solve for x
    x = 172,975,545.68/18,070.80
  6. Step 6: Final answer
    x = 9,572.10

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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.