Home / 20,324.17-30,489.55-6,280.92

Finding the Fourth Proportional to 20,324.17, 30,489.55 and 6,280.92

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Solution

The fourth proportional to 20,324.17, 30,489.55 and 6,280.92 is: 9,422.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,324.17 : 30,489.55 = 6,280.92 : x
  2. Step 2: Convert to fraction form
    20,324.17/30,489.55 = 6,280.92/x
  3. Step 3: Cross multiply
    20,324.17x = 30,489.55 × 6,280.92
  4. Step 4: Simplify right side
    20,324.17x = 191,502,424.39
  5. Step 5: Solve for x
    x = 191,502,424.39/20,324.17
  6. Step 6: Final answer
    x = 9,422.40

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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.