Home / 18,022.30-27,084.60-12,219.46

Finding the Fourth Proportional to 18,022.30, 27,084.60 and 12,219.46

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Solution

The fourth proportional to 18,022.30, 27,084.60 and 12,219.46 is: 18,363.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,022.30 : 27,084.60 = 12,219.46 : x
  2. Step 2: Convert to fraction form
    18,022.30/27,084.60 = 12,219.46/x
  3. Step 3: Cross multiply
    18,022.30x = 27,084.60 × 12,219.46
  4. Step 4: Simplify right side
    18,022.30x = 330,959,186.32
  5. Step 5: Solve for x
    x = 330,959,186.32/18,022.30
  6. Step 6: Final answer
    x = 18,363.87

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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.