Home / 12,277.76-18,414.78-4,484.75

Finding the Fourth Proportional to 12,277.76, 18,414.78 and 4,484.75

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Solution

The fourth proportional to 12,277.76, 18,414.78 and 4,484.75 is: 6,726.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,277.76 : 18,414.78 = 4,484.75 : x
  2. Step 2: Convert to fraction form
    12,277.76/18,414.78 = 4,484.75/x
  3. Step 3: Cross multiply
    12,277.76x = 18,414.78 × 4,484.75
  4. Step 4: Simplify right side
    12,277.76x = 82,585,684.61
  5. Step 5: Solve for x
    x = 82,585,684.61/12,277.76
  6. Step 6: Final answer
    x = 6,726.45

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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.