Home / 20,168.20-30,253.29-5,377.25

Finding the Fourth Proportional to 20,168.20, 30,253.29 and 5,377.25

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Solution

The fourth proportional to 20,168.20, 30,253.29 and 5,377.25 is: 8,066.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,168.20 : 30,253.29 = 5,377.25 : x
  2. Step 2: Convert to fraction form
    20,168.20/30,253.29 = 5,377.25/x
  3. Step 3: Cross multiply
    20,168.20x = 30,253.29 × 5,377.25
  4. Step 4: Simplify right side
    20,168.20x = 162,679,503.65
  5. Step 5: Solve for x
    x = 162,679,503.65/20,168.20
  6. Step 6: Final answer
    x = 8,066.14

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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.