Home / 10,899.40-16,349.26-2,691.40

Finding the Fourth Proportional to 10,899.40, 16,349.26 and 2,691.40

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Solution

The fourth proportional to 10,899.40, 16,349.26 and 2,691.40 is: 4,037.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,899.40 : 16,349.26 = 2,691.40 : x
  2. Step 2: Convert to fraction form
    10,899.40/16,349.26 = 2,691.40/x
  3. Step 3: Cross multiply
    10,899.40x = 16,349.26 × 2,691.40
  4. Step 4: Simplify right side
    10,899.40x = 44,002,398.36
  5. Step 5: Solve for x
    x = 44,002,398.36/10,899.40
  6. Step 6: Final answer
    x = 4,037.14

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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.