Home / 20,382.94-30,574.14-5,591.85

Finding the Fourth Proportional to 20,382.94, 30,574.14 and 5,591.85

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Solution

The fourth proportional to 20,382.94, 30,574.14 and 5,591.85 is: 8,387.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,382.94 : 30,574.14 = 5,591.85 : x
  2. Step 2: Convert to fraction form
    20,382.94/30,574.14 = 5,591.85/x
  3. Step 3: Cross multiply
    20,382.94x = 30,574.14 × 5,591.85
  4. Step 4: Simplify right side
    20,382.94x = 170,966,004.76
  5. Step 5: Solve for x
    x = 170,966,004.76/20,382.94
  6. Step 6: Final answer
    x = 8,387.70

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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.