Home / 11,117.40-16,680.96-5,922

Finding the Fourth Proportional to 11,117.40, 16,680.96 and 5,922

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Solution

The fourth proportional to 11,117.40, 16,680.96 and 5,922 is: 8,885.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,117.40 : 16,680.96 = 5,922 : x
  2. Step 2: Convert to fraction form
    11,117.40/16,680.96 = 5,922/x
  3. Step 3: Cross multiply
    11,117.40x = 16,680.96 × 5,922
  4. Step 4: Simplify right side
    11,117.40x = 98,784,645.12
  5. Step 5: Solve for x
    x = 98,784,645.12/11,117.40
  6. Step 6: Final answer
    x = 8,885.59

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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.