Home / 18,022.32-27,034.56-8,664.24

Finding the Fourth Proportional to 18,022.32, 27,034.56 and 8,664.24

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Solution

The fourth proportional to 18,022.32, 27,034.56 and 8,664.24 is: 12,996.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,022.32 : 27,034.56 = 8,664.24 : x
  2. Step 2: Convert to fraction form
    18,022.32/27,034.56 = 8,664.24/x
  3. Step 3: Cross multiply
    18,022.32x = 27,034.56 × 8,664.24
  4. Step 4: Simplify right side
    18,022.32x = 234,233,916.13
  5. Step 5: Solve for x
    x = 234,233,916.13/18,022.32
  6. Step 6: Final answer
    x = 12,996.88

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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.