Home / 11,458.09-17,170.92-4,877.65

Finding the Fourth Proportional to 11,458.09, 17,170.92 and 4,877.65

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Solution

The fourth proportional to 11,458.09, 17,170.92 and 4,877.65 is: 7,309.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,458.09 : 17,170.92 = 4,877.65 : x
  2. Step 2: Convert to fraction form
    11,458.09/17,170.92 = 4,877.65/x
  3. Step 3: Cross multiply
    11,458.09x = 17,170.92 × 4,877.65
  4. Step 4: Simplify right side
    11,458.09x = 83,753,737.94
  5. Step 5: Solve for x
    x = 83,753,737.94/11,458.09
  6. Step 6: Final answer
    x = 7,309.57

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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.