Home / 10,877.98-16,318.11-4,638.65

Finding the Fourth Proportional to 10,877.98, 16,318.11 and 4,638.65

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Solution

The fourth proportional to 10,877.98, 16,318.11 and 4,638.65 is: 6,958.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,877.98 : 16,318.11 = 4,638.65 : x
  2. Step 2: Convert to fraction form
    10,877.98/16,318.11 = 4,638.65/x
  3. Step 3: Cross multiply
    10,877.98x = 16,318.11 × 4,638.65
  4. Step 4: Simplify right side
    10,877.98x = 75,694,002.45
  5. Step 5: Solve for x
    x = 75,694,002.45/10,877.98
  6. Step 6: Final answer
    x = 6,958.46

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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.