Home / 9,945.60-14,918.30-2,549.95

Finding the Fourth Proportional to 9,945.60, 14,918.30 and 2,549.95

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Solution

The fourth proportional to 9,945.60, 14,918.30 and 2,549.95 is: 3,824.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,945.60 : 14,918.30 = 2,549.95 : x
  2. Step 2: Convert to fraction form
    9,945.60/14,918.30 = 2,549.95/x
  3. Step 3: Cross multiply
    9,945.60x = 14,918.30 × 2,549.95
  4. Step 4: Simplify right side
    9,945.60x = 38,040,885.77
  5. Step 5: Solve for x
    x = 38,040,885.77/9,945.60
  6. Step 6: Final answer
    x = 3,824.90

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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.