Home / 18,253.28-27,382.61-5,770.47

Finding the Fourth Proportional to 18,253.28, 27,382.61 and 5,770.47

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Solution

The fourth proportional to 18,253.28, 27,382.61 and 5,770.47 is: 8,656.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,253.28 : 27,382.61 = 5,770.47 : x
  2. Step 2: Convert to fraction form
    18,253.28/27,382.61 = 5,770.47/x
  3. Step 3: Cross multiply
    18,253.28x = 27,382.61 × 5,770.47
  4. Step 4: Simplify right side
    18,253.28x = 158,010,529.53
  5. Step 5: Solve for x
    x = 158,010,529.53/18,253.28
  6. Step 6: Final answer
    x = 8,656.56

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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.