Home / 18,298.50-27,439.98-5,815.18

Finding the Fourth Proportional to 18,298.50, 27,439.98 and 5,815.18

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Solution

The fourth proportional to 18,298.50, 27,439.98 and 5,815.18 is: 8,720.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,298.50 : 27,439.98 = 5,815.18 : x
  2. Step 2: Convert to fraction form
    18,298.50/27,439.98 = 5,815.18/x
  3. Step 3: Cross multiply
    18,298.50x = 27,439.98 × 5,815.18
  4. Step 4: Simplify right side
    18,298.50x = 159,568,422.90
  5. Step 5: Solve for x
    x = 159,568,422.90/18,298.50
  6. Step 6: Final answer
    x = 8,720.30

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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.