Home / 20,364.68-30,545.40-6,324.14

Finding the Fourth Proportional to 20,364.68, 30,545.40 and 6,324.14

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Solution

The fourth proportional to 20,364.68, 30,545.40 and 6,324.14 is: 9,485.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,364.68 : 30,545.40 = 6,324.14 : x
  2. Step 2: Convert to fraction form
    20,364.68/30,545.40 = 6,324.14/x
  3. Step 3: Cross multiply
    20,364.68x = 30,545.40 × 6,324.14
  4. Step 4: Simplify right side
    20,364.68x = 193,173,385.96
  5. Step 5: Solve for x
    x = 193,173,385.96/20,364.68
  6. Step 6: Final answer
    x = 9,485.71

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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.