Home / 18,508.10-27,766.20-9,152.60

Finding the Fourth Proportional to 18,508.10, 27,766.20 and 9,152.60

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Solution

The fourth proportional to 18,508.10, 27,766.20 and 9,152.60 is: 13,730.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,508.10 : 27,766.20 = 9,152.60 : x
  2. Step 2: Convert to fraction form
    18,508.10/27,766.20 = 9,152.60/x
  3. Step 3: Cross multiply
    18,508.10x = 27,766.20 × 9,152.60
  4. Step 4: Simplify right side
    18,508.10x = 254,132,922.12
  5. Step 5: Solve for x
    x = 254,132,922.12/18,508.10
  6. Step 6: Final answer
    x = 13,730.90

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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.