Home / 18,282.20-27,439.29-8,929.13

Finding the Fourth Proportional to 18,282.20, 27,439.29 and 8,929.13

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Solution

The fourth proportional to 18,282.20, 27,439.29 and 8,929.13 is: 13,401.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,282.20 : 27,439.29 = 8,929.13 : x
  2. Step 2: Convert to fraction form
    18,282.20/27,439.29 = 8,929.13/x
  3. Step 3: Cross multiply
    18,282.20x = 27,439.29 × 8,929.13
  4. Step 4: Simplify right side
    18,282.20x = 245,008,850.32
  5. Step 5: Solve for x
    x = 245,008,850.32/18,282.20
  6. Step 6: Final answer
    x = 13,401.50

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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.