Home / 11,139.33-15,372.27-6,103.87

Finding the Fourth Proportional to 11,139.33, 15,372.27 and 6,103.87

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Solution

The fourth proportional to 11,139.33, 15,372.27 and 6,103.87 is: 8,423.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,139.33 : 15,372.27 = 6,103.87 : x
  2. Step 2: Convert to fraction form
    11,139.33/15,372.27 = 6,103.87/x
  3. Step 3: Cross multiply
    11,139.33x = 15,372.27 × 6,103.87
  4. Step 4: Simplify right side
    11,139.33x = 93,830,337.68
  5. Step 5: Solve for x
    x = 93,830,337.68/11,139.33
  6. Step 6: Final answer
    x = 8,423.34

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.