Home / 9,982.45-13,775.29-6,002.79

Finding the Fourth Proportional to 9,982.45, 13,775.29 and 6,002.79

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Solution

The fourth proportional to 9,982.45, 13,775.29 and 6,002.79 is: 8,283.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,982.45 : 13,775.29 = 6,002.79 : x
  2. Step 2: Convert to fraction form
    9,982.45/13,775.29 = 6,002.79/x
  3. Step 3: Cross multiply
    9,982.45x = 13,775.29 × 6,002.79
  4. Step 4: Simplify right side
    9,982.45x = 82,690,173.06
  5. Step 5: Solve for x
    x = 82,690,173.06/9,982.45
  6. Step 6: Final answer
    x = 8,283.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.