Home / 11,160.10-16,738.32-4,138.46

Finding the Fourth Proportional to 11,160.10, 16,738.32 and 4,138.46

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Solution

The fourth proportional to 11,160.10, 16,738.32 and 4,138.46 is: 6,207.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,160.10 : 16,738.32 = 4,138.46 : x
  2. Step 2: Convert to fraction form
    11,160.10/16,738.32 = 4,138.46/x
  3. Step 3: Cross multiply
    11,160.10x = 16,738.32 × 4,138.46
  4. Step 4: Simplify right side
    11,160.10x = 69,270,867.79
  5. Step 5: Solve for x
    x = 69,270,867.79/11,160.10
  6. Step 6: Final answer
    x = 6,207.01

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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.