Home / 12,377.97-18,564.95-3,610.82

Finding the Fourth Proportional to 12,377.97, 18,564.95 and 3,610.82

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Solution

The fourth proportional to 12,377.97, 18,564.95 and 3,610.82 is: 5,415.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,377.97 : 18,564.95 = 3,610.82 : x
  2. Step 2: Convert to fraction form
    12,377.97/18,564.95 = 3,610.82/x
  3. Step 3: Cross multiply
    12,377.97x = 18,564.95 × 3,610.82
  4. Step 4: Simplify right side
    12,377.97x = 67,034,748.20
  5. Step 5: Solve for x
    x = 67,034,748.20/12,377.97
  6. Step 6: Final answer
    x = 5,415.65

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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.