Home / 18,056.10-27,084.15-12,151.20

Finding the Fourth Proportional to 18,056.10, 27,084.15 and 12,151.20

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Solution

The fourth proportional to 18,056.10, 27,084.15 and 12,151.20 is: 18,226.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,056.10 : 27,084.15 = 12,151.20 : x
  2. Step 2: Convert to fraction form
    18,056.10/27,084.15 = 12,151.20/x
  3. Step 3: Cross multiply
    18,056.10x = 27,084.15 × 12,151.20
  4. Step 4: Simplify right side
    18,056.10x = 329,104,923.48
  5. Step 5: Solve for x
    x = 329,104,923.48/18,056.10
  6. Step 6: Final answer
    x = 18,226.80

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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.