Home / 9,974.88-14,961.15-2,578.76

Finding the Fourth Proportional to 9,974.88, 14,961.15 and 2,578.76

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Solution

The fourth proportional to 9,974.88, 14,961.15 and 2,578.76 is: 3,867.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,974.88 : 14,961.15 = 2,578.76 : x
  2. Step 2: Convert to fraction form
    9,974.88/14,961.15 = 2,578.76/x
  3. Step 3: Cross multiply
    9,974.88x = 14,961.15 × 2,578.76
  4. Step 4: Simplify right side
    9,974.88x = 38,581,215.17
  5. Step 5: Solve for x
    x = 38,581,215.17/9,974.88
  6. Step 6: Final answer
    x = 3,867.84

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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.