Home / 9,982.30-14,977.05-4,140.70

Finding the Fourth Proportional to 9,982.30, 14,977.05 and 4,140.70

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Solution

The fourth proportional to 9,982.30, 14,977.05 and 4,140.70 is: 6,212.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,982.30 : 14,977.05 = 4,140.70 : x
  2. Step 2: Convert to fraction form
    9,982.30/14,977.05 = 4,140.70/x
  3. Step 3: Cross multiply
    9,982.30x = 14,977.05 × 4,140.70
  4. Step 4: Simplify right side
    9,982.30x = 62,015,470.94
  5. Step 5: Solve for x
    x = 62,015,470.94/9,982.30
  6. Step 6: Final answer
    x = 6,212.54

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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.