Home / 11,625.60-17,437.80-6,819.72

Finding the Fourth Proportional to 11,625.60, 17,437.80 and 6,819.72

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Solution

The fourth proportional to 11,625.60, 17,437.80 and 6,819.72 is: 10,229.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,625.60 : 17,437.80 = 6,819.72 : x
  2. Step 2: Convert to fraction form
    11,625.60/17,437.80 = 6,819.72/x
  3. Step 3: Cross multiply
    11,625.60x = 17,437.80 × 6,819.72
  4. Step 4: Simplify right side
    11,625.60x = 118,920,913.42
  5. Step 5: Solve for x
    x = 118,920,913.42/11,625.60
  6. Step 6: Final answer
    x = 10,229.23

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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.