Home / 20,285.92-30,403.76-11,494.18

Finding the Fourth Proportional to 20,285.92, 30,403.76 and 11,494.18

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Solution

The fourth proportional to 20,285.92, 30,403.76 and 11,494.18 is: 17,227.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,285.92 : 30,403.76 = 11,494.18 : x
  2. Step 2: Convert to fraction form
    20,285.92/30,403.76 = 11,494.18/x
  3. Step 3: Cross multiply
    20,285.92x = 30,403.76 × 11,494.18
  4. Step 4: Simplify right side
    20,285.92x = 349,466,290.12
  5. Step 5: Solve for x
    x = 349,466,290.12/20,285.92
  6. Step 6: Final answer
    x = 17,227.04

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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.