Home / 10,536.78-15,793.56-7,627.80

Finding the Fourth Proportional to 10,536.78, 15,793.56 and 7,627.80

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Solution

The fourth proportional to 10,536.78, 15,793.56 and 7,627.80 is: 11,433.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,536.78 : 15,793.56 = 7,627.80 : x
  2. Step 2: Convert to fraction form
    10,536.78/15,793.56 = 7,627.80/x
  3. Step 3: Cross multiply
    10,536.78x = 15,793.56 × 7,627.80
  4. Step 4: Simplify right side
    10,536.78x = 120,470,116.97
  5. Step 5: Solve for x
    x = 120,470,116.97/10,536.78
  6. Step 6: Final answer
    x = 11,433.30

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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.