Home / 20,397.94-30,572.30-10,531.83

Finding the Fourth Proportional to 20,397.94, 30,572.30 and 10,531.83

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Solution

The fourth proportional to 20,397.94, 30,572.30 and 10,531.83 is: 15,785.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,397.94 : 30,572.30 = 10,531.83 : x
  2. Step 2: Convert to fraction form
    20,397.94/30,572.30 = 10,531.83/x
  3. Step 3: Cross multiply
    20,397.94x = 30,572.30 × 10,531.83
  4. Step 4: Simplify right side
    20,397.94x = 321,982,266.31
  5. Step 5: Solve for x
    x = 321,982,266.31/20,397.94
  6. Step 6: Final answer
    x = 15,785.04

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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.