Home / 20,352.61-30,539.33-9,691.04

Finding the Fourth Proportional to 20,352.61, 30,539.33 and 9,691.04

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Solution

The fourth proportional to 20,352.61, 30,539.33 and 9,691.04 is: 14,541.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,352.61 : 30,539.33 = 9,691.04 : x
  2. Step 2: Convert to fraction form
    20,352.61/30,539.33 = 9,691.04/x
  3. Step 3: Cross multiply
    20,352.61x = 30,539.33 × 9,691.04
  4. Step 4: Simplify right side
    20,352.61x = 295,957,868.60
  5. Step 5: Solve for x
    x = 295,957,868.60/20,352.61
  6. Step 6: Final answer
    x = 14,541.52

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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.