Home / 18,141.92-27,221.25-8,284.22

Finding the Fourth Proportional to 18,141.92, 27,221.25 and 8,284.22

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Solution

The fourth proportional to 18,141.92, 27,221.25 and 8,284.22 is: 12,430.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,141.92 : 27,221.25 = 8,284.22 : x
  2. Step 2: Convert to fraction form
    18,141.92/27,221.25 = 8,284.22/x
  3. Step 3: Cross multiply
    18,141.92x = 27,221.25 × 8,284.22
  4. Step 4: Simplify right side
    18,141.92x = 225,506,823.68
  5. Step 5: Solve for x
    x = 225,506,823.68/18,141.92
  6. Step 6: Final answer
    x = 12,430.15

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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.