Home / 12,277.76-18,418.24-3,958.08

Finding the Fourth Proportional to 12,277.76, 18,418.24 and 3,958.08

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Solution

The fourth proportional to 12,277.76, 18,418.24 and 3,958.08 is: 5,937.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,277.76 : 18,418.24 = 3,958.08 : x
  2. Step 2: Convert to fraction form
    12,277.76/18,418.24 = 3,958.08/x
  3. Step 3: Cross multiply
    12,277.76x = 18,418.24 × 3,958.08
  4. Step 4: Simplify right side
    12,277.76x = 72,900,867.38
  5. Step 5: Solve for x
    x = 72,900,867.38/12,277.76
  6. Step 6: Final answer
    x = 5,937.64

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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.