Home / 18,307.91-27,452.13-8,949.57

Finding the Fourth Proportional to 18,307.91, 27,452.13 and 8,949.57

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Solution

The fourth proportional to 18,307.91, 27,452.13 and 8,949.57 is: 13,419.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,307.91 : 27,452.13 = 8,949.57 : x
  2. Step 2: Convert to fraction form
    18,307.91/27,452.13 = 8,949.57/x
  3. Step 3: Cross multiply
    18,307.91x = 27,452.13 × 8,949.57
  4. Step 4: Simplify right side
    18,307.91x = 245,684,759.08
  5. Step 5: Solve for x
    x = 245,684,759.08/18,307.91
  6. Step 6: Final answer
    x = 13,419.60

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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.