Home / 10,788.66-16,176.90-4,207.32

Finding the Fourth Proportional to 10,788.66, 16,176.90 and 4,207.32

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Solution

The fourth proportional to 10,788.66, 16,176.90 and 4,207.32 is: 6,308.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,788.66 : 16,176.90 = 4,207.32 : x
  2. Step 2: Convert to fraction form
    10,788.66/16,176.90 = 4,207.32/x
  3. Step 3: Cross multiply
    10,788.66x = 16,176.90 × 4,207.32
  4. Step 4: Simplify right side
    10,788.66x = 68,061,394.91
  5. Step 5: Solve for x
    x = 68,061,394.91/10,788.66
  6. Step 6: Final answer
    x = 6,308.61

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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.