Home / 18,022.32-27,001.08-10,998.68

Finding the Fourth Proportional to 18,022.32, 27,001.08 and 10,998.68

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Solution

The fourth proportional to 18,022.32, 27,001.08 and 10,998.68 is: 16,478.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,022.32 : 27,001.08 = 10,998.68 : x
  2. Step 2: Convert to fraction form
    18,022.32/27,001.08 = 10,998.68/x
  3. Step 3: Cross multiply
    18,022.32x = 27,001.08 × 10,998.68
  4. Step 4: Simplify right side
    18,022.32x = 296,976,103.57
  5. Step 5: Solve for x
    x = 296,976,103.57/18,022.32
  6. Step 6: Final answer
    x = 16,478.24

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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.