Home / 11,110.92-16,669.17-3,319.71

Finding the Fourth Proportional to 11,110.92, 16,669.17 and 3,319.71

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Solution

The fourth proportional to 11,110.92, 16,669.17 and 3,319.71 is: 4,980.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,110.92 : 16,669.17 = 3,319.71 : x
  2. Step 2: Convert to fraction form
    11,110.92/16,669.17 = 3,319.71/x
  3. Step 3: Cross multiply
    11,110.92x = 16,669.17 × 3,319.71
  4. Step 4: Simplify right side
    11,110.92x = 55,336,810.34
  5. Step 5: Solve for x
    x = 55,336,810.34/11,110.92
  6. Step 6: Final answer
    x = 4,980.40

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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.