Home / 11,127.78-16,691.67-5,943.78

Finding the Fourth Proportional to 11,127.78, 16,691.67 and 5,943.78

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Solution

The fourth proportional to 11,127.78, 16,691.67 and 5,943.78 is: 8,915.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,127.78 : 16,691.67 = 5,943.78 : x
  2. Step 2: Convert to fraction form
    11,127.78/16,691.67 = 5,943.78/x
  3. Step 3: Cross multiply
    11,127.78x = 16,691.67 × 5,943.78
  4. Step 4: Simplify right side
    11,127.78x = 99,211,614.31
  5. Step 5: Solve for x
    x = 99,211,614.31/11,127.78
  6. Step 6: Final answer
    x = 8,915.67

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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.