Home / 11,637.50-17,456.55-3,317.65

Finding the Fourth Proportional to 11,637.50, 17,456.55 and 3,317.65

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Solution

The fourth proportional to 11,637.50, 17,456.55 and 3,317.65 is: 4,976.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,637.50 : 17,456.55 = 3,317.65 : x
  2. Step 2: Convert to fraction form
    11,637.50/17,456.55 = 3,317.65/x
  3. Step 3: Cross multiply
    11,637.50x = 17,456.55 × 3,317.65
  4. Step 4: Simplify right side
    11,637.50x = 57,914,723.11
  5. Step 5: Solve for x
    x = 57,914,723.11/11,637.50
  6. Step 6: Final answer
    x = 4,976.56

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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.