Home / 22,061.40-30,444.60-11,989.92

Finding the Fourth Proportional to 22,061.40, 30,444.60 and 11,989.92

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Solution

The fourth proportional to 22,061.40, 30,444.60 and 11,989.92 is: 16,546.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,061.40 : 30,444.60 = 11,989.92 : x
  2. Step 2: Convert to fraction form
    22,061.40/30,444.60 = 11,989.92/x
  3. Step 3: Cross multiply
    22,061.40x = 30,444.60 × 11,989.92
  4. Step 4: Simplify right side
    22,061.40x = 365,028,318.43
  5. Step 5: Solve for x
    x = 365,028,318.43/22,061.40
  6. Step 6: Final answer
    x = 16,546.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.