Home / 9,975.11-14,961.44-2,578.95

Finding the Fourth Proportional to 9,975.11, 14,961.44 and 2,578.95

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Solution

The fourth proportional to 9,975.11, 14,961.44 and 2,578.95 is: 3,868.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,975.11 : 14,961.44 = 2,578.95 : x
  2. Step 2: Convert to fraction form
    9,975.11/14,961.44 = 2,578.95/x
  3. Step 3: Cross multiply
    9,975.11x = 14,961.44 × 2,578.95
  4. Step 4: Simplify right side
    9,975.11x = 38,584,770.06
  5. Step 5: Solve for x
    x = 38,584,770.06/9,975.11
  6. Step 6: Final answer
    x = 3,868.11

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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.