Home / 9,938.25-14,909.85-3,012.75

Finding the Fourth Proportional to 9,938.25, 14,909.85 and 3,012.75

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Solution

The fourth proportional to 9,938.25, 14,909.85 and 3,012.75 is: 4,519.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,938.25 : 14,909.85 = 3,012.75 : x
  2. Step 2: Convert to fraction form
    9,938.25/14,909.85 = 3,012.75/x
  3. Step 3: Cross multiply
    9,938.25x = 14,909.85 × 3,012.75
  4. Step 4: Simplify right side
    9,938.25x = 44,919,650.59
  5. Step 5: Solve for x
    x = 44,919,650.59/9,938.25
  6. Step 6: Final answer
    x = 4,519.88

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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.