Home / 20,218.28-30,330.52-6,175.04

Finding the Fourth Proportional to 20,218.28, 30,330.52 and 6,175.04

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Solution

The fourth proportional to 20,218.28, 30,330.52 and 6,175.04 is: 9,263.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,218.28 : 30,330.52 = 6,175.04 : x
  2. Step 2: Convert to fraction form
    20,218.28/30,330.52 = 6,175.04/x
  3. Step 3: Cross multiply
    20,218.28x = 30,330.52 × 6,175.04
  4. Step 4: Simplify right side
    20,218.28x = 187,292,174.22
  5. Step 5: Solve for x
    x = 187,292,174.22/20,218.28
  6. Step 6: Final answer
    x = 9,263.51

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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.