Home / 10,765.04-16,137.98-4,189.68

Finding the Fourth Proportional to 10,765.04, 16,137.98 and 4,189.68

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Solution

The fourth proportional to 10,765.04, 16,137.98 and 4,189.68 is: 6,280.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,765.04 : 16,137.98 = 4,189.68 : x
  2. Step 2: Convert to fraction form
    10,765.04/16,137.98 = 4,189.68/x
  3. Step 3: Cross multiply
    10,765.04x = 16,137.98 × 4,189.68
  4. Step 4: Simplify right side
    10,765.04x = 67,612,972.05
  5. Step 5: Solve for x
    x = 67,612,972.05/10,765.04
  6. Step 6: Final answer
    x = 6,280.79

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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.