Home / 11,026.32-16,523.28-8,691.90

Finding the Fourth Proportional to 11,026.32, 16,523.28 and 8,691.90

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Solution

The fourth proportional to 11,026.32, 16,523.28 and 8,691.90 is: 13,025.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,026.32 : 16,523.28 = 8,691.90 : x
  2. Step 2: Convert to fraction form
    11,026.32/16,523.28 = 8,691.90/x
  3. Step 3: Cross multiply
    11,026.32x = 16,523.28 × 8,691.90
  4. Step 4: Simplify right side
    11,026.32x = 143,618,697.43
  5. Step 5: Solve for x
    x = 143,618,697.43/11,026.32
  6. Step 6: Final answer
    x = 13,025.08

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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.