Home / 20,287.92-30,406.76-11,496.18

Finding the Fourth Proportional to 20,287.92, 30,406.76 and 11,496.18

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Solution

The fourth proportional to 20,287.92, 30,406.76 and 11,496.18 is: 17,230.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,287.92 : 30,406.76 = 11,496.18 : x
  2. Step 2: Convert to fraction form
    20,287.92/30,406.76 = 11,496.18/x
  3. Step 3: Cross multiply
    20,287.92x = 30,406.76 × 11,496.18
  4. Step 4: Simplify right side
    20,287.92x = 349,561,586.18
  5. Step 5: Solve for x
    x = 349,561,586.18/20,287.92
  6. Step 6: Final answer
    x = 17,230.04

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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.