Home / 11,117.89-16,672.65-4,540.56

Finding the Fourth Proportional to 11,117.89, 16,672.65 and 4,540.56

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Solution

The fourth proportional to 11,117.89, 16,672.65 and 4,540.56 is: 6,809.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,117.89 : 16,672.65 = 4,540.56 : x
  2. Step 2: Convert to fraction form
    11,117.89/16,672.65 = 4,540.56/x
  3. Step 3: Cross multiply
    11,117.89x = 16,672.65 × 4,540.56
  4. Step 4: Simplify right side
    11,117.89x = 75,703,167.68
  5. Step 5: Solve for x
    x = 75,703,167.68/11,117.89
  6. Step 6: Final answer
    x = 6,809.13

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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.