Home / 20,545.24-30,820.96-6,500.58

Finding the Fourth Proportional to 20,545.24, 30,820.96 and 6,500.58

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Solution

The fourth proportional to 20,545.24, 30,820.96 and 6,500.58 is: 9,751.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,545.24 : 30,820.96 = 6,500.58 : x
  2. Step 2: Convert to fraction form
    20,545.24/30,820.96 = 6,500.58/x
  3. Step 3: Cross multiply
    20,545.24x = 30,820.96 × 6,500.58
  4. Step 4: Simplify right side
    20,545.24x = 200,354,116.16
  5. Step 5: Solve for x
    x = 200,354,116.16/20,545.24
  6. Step 6: Final answer
    x = 9,751.85

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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.