Home / 10,908.10-16,354.05-4,330.90

Finding the Fourth Proportional to 10,908.10, 16,354.05 and 4,330.90

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Solution

The fourth proportional to 10,908.10, 16,354.05 and 4,330.90 is: 6,493.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,908.10 : 16,354.05 = 4,330.90 : x
  2. Step 2: Convert to fraction form
    10,908.10/16,354.05 = 4,330.90/x
  3. Step 3: Cross multiply
    10,908.10x = 16,354.05 × 4,330.90
  4. Step 4: Simplify right side
    10,908.10x = 70,827,755.15
  5. Step 5: Solve for x
    x = 70,827,755.15/10,908.10
  6. Step 6: Final answer
    x = 6,493.13

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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.