Home / 9,839.10-14,758.65-3,999.90

Finding the Fourth Proportional to 9,839.10, 14,758.65 and 3,999.90

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Solution

The fourth proportional to 9,839.10, 14,758.65 and 3,999.90 is: 5,999.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,839.10 : 14,758.65 = 3,999.90 : x
  2. Step 2: Convert to fraction form
    9,839.10/14,758.65 = 3,999.90/x
  3. Step 3: Cross multiply
    9,839.10x = 14,758.65 × 3,999.90
  4. Step 4: Simplify right side
    9,839.10x = 59,033,124.14
  5. Step 5: Solve for x
    x = 59,033,124.14/9,839.10
  6. Step 6: Final answer
    x = 5,999.85

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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.