Home / 18,388.32-27,585.18-8,528.58

Finding the Fourth Proportional to 18,388.32, 27,585.18 and 8,528.58

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Solution

The fourth proportional to 18,388.32, 27,585.18 and 8,528.58 is: 12,794.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,388.32 : 27,585.18 = 8,528.58 : x
  2. Step 2: Convert to fraction form
    18,388.32/27,585.18 = 8,528.58/x
  3. Step 3: Cross multiply
    18,388.32x = 27,585.18 × 8,528.58
  4. Step 4: Simplify right side
    18,388.32x = 235,262,414.44
  5. Step 5: Solve for x
    x = 235,262,414.44/18,388.32
  6. Step 6: Final answer
    x = 12,794.12

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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.