Home / 11,627.68-17,433.96-4,230.76

Finding the Fourth Proportional to 11,627.68, 17,433.96 and 4,230.76

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Solution

The fourth proportional to 11,627.68, 17,433.96 and 4,230.76 is: 6,343.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,627.68 : 17,433.96 = 4,230.76 : x
  2. Step 2: Convert to fraction form
    11,627.68/17,433.96 = 4,230.76/x
  3. Step 3: Cross multiply
    11,627.68x = 17,433.96 × 4,230.76
  4. Step 4: Simplify right side
    11,627.68x = 73,758,900.61
  5. Step 5: Solve for x
    x = 73,758,900.61/11,627.68
  6. Step 6: Final answer
    x = 6,343.39

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1.5x scale

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.