Home / 12,286.16-18,426.52-3,519.12

Finding the Fourth Proportional to 12,286.16, 18,426.52 and 3,519.12

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Solution

The fourth proportional to 12,286.16, 18,426.52 and 3,519.12 is: 5,277.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,286.16 : 18,426.52 = 3,519.12 : x
  2. Step 2: Convert to fraction form
    12,286.16/18,426.52 = 3,519.12/x
  3. Step 3: Cross multiply
    12,286.16x = 18,426.52 × 3,519.12
  4. Step 4: Simplify right side
    12,286.16x = 64,845,135.06
  5. Step 5: Solve for x
    x = 64,845,135.06/12,286.16
  6. Step 6: Final answer
    x = 5,277.90

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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.