Home / 20,367.28-30,561.24-9,272.44

Finding the Fourth Proportional to 20,367.28, 30,561.24 and 9,272.44

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Solution

The fourth proportional to 20,367.28, 30,561.24 and 9,272.44 is: 13,913.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,367.28 : 30,561.24 = 9,272.44 : x
  2. Step 2: Convert to fraction form
    20,367.28/30,561.24 = 9,272.44/x
  3. Step 3: Cross multiply
    20,367.28x = 30,561.24 × 9,272.44
  4. Step 4: Simplify right side
    20,367.28x = 283,377,264.23
  5. Step 5: Solve for x
    x = 283,377,264.23/20,367.28
  6. Step 6: Final answer
    x = 13,913.36

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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.