Home / 15,072.85-22,610.30-5,212.89

Finding the Fourth Proportional to 15,072.85, 22,610.30 and 5,212.89

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Solution

The fourth proportional to 15,072.85, 22,610.30 and 5,212.89 is: 7,819.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,072.85 : 22,610.30 = 5,212.89 : x
  2. Step 2: Convert to fraction form
    15,072.85/22,610.30 = 5,212.89/x
  3. Step 3: Cross multiply
    15,072.85x = 22,610.30 × 5,212.89
  4. Step 4: Simplify right side
    15,072.85x = 117,865,006.77
  5. Step 5: Solve for x
    x = 117,865,006.77/15,072.85
  6. Step 6: Final answer
    x = 7,819.69

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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.