Home / 18,431.85-27,651.88-5,949.55

Finding the Fourth Proportional to 18,431.85, 27,651.88 and 5,949.55

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Solution

The fourth proportional to 18,431.85, 27,651.88 and 5,949.55 is: 8,925.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,431.85 : 27,651.88 = 5,949.55 : x
  2. Step 2: Convert to fraction form
    18,431.85/27,651.88 = 5,949.55/x
  3. Step 3: Cross multiply
    18,431.85x = 27,651.88 × 5,949.55
  4. Step 4: Simplify right side
    18,431.85x = 164,516,284.66
  5. Step 5: Solve for x
    x = 164,516,284.66/18,431.85
  6. Step 6: Final answer
    x = 8,925.65

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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.