Home / 13,882.38-20,818.17-4,995.30

Finding the Fourth Proportional to 13,882.38, 20,818.17 and 4,995.30

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Solution

The fourth proportional to 13,882.38, 20,818.17 and 4,995.30 is: 7,491.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,882.38 : 20,818.17 = 4,995.30 : x
  2. Step 2: Convert to fraction form
    13,882.38/20,818.17 = 4,995.30/x
  3. Step 3: Cross multiply
    13,882.38x = 20,818.17 × 4,995.30
  4. Step 4: Simplify right side
    13,882.38x = 103,993,004.60
  5. Step 5: Solve for x
    x = 103,993,004.60/13,882.38
  6. Step 6: Final answer
    x = 7,491.01

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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.