Home / 11,138.88-16,708.19-3,347.63

Finding the Fourth Proportional to 11,138.88, 16,708.19 and 3,347.63

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Solution

The fourth proportional to 11,138.88, 16,708.19 and 3,347.63 is: 5,021.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,138.88 : 16,708.19 = 3,347.63 : x
  2. Step 2: Convert to fraction form
    11,138.88/16,708.19 = 3,347.63/x
  3. Step 3: Cross multiply
    11,138.88x = 16,708.19 × 3,347.63
  4. Step 4: Simplify right side
    11,138.88x = 55,932,737.81
  5. Step 5: Solve for x
    x = 55,932,737.81/11,138.88
  6. Step 6: Final answer
    x = 5,021.40

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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.