Home / 10,839.58-16,246.82-4,983.90

Finding the Fourth Proportional to 10,839.58, 16,246.82 and 4,983.90

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Solution

The fourth proportional to 10,839.58, 16,246.82 and 4,983.90 is: 7,470.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,839.58 : 16,246.82 = 4,983.90 : x
  2. Step 2: Convert to fraction form
    10,839.58/16,246.82 = 4,983.90/x
  3. Step 3: Cross multiply
    10,839.58x = 16,246.82 × 4,983.90
  4. Step 4: Simplify right side
    10,839.58x = 80,972,526.20
  5. Step 5: Solve for x
    x = 80,972,526.20/10,839.58
  6. Step 6: Final answer
    x = 7,470.08

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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.