Home / 11,711.32-17,564.38-3,389.51

Finding the Fourth Proportional to 11,711.32, 17,564.38 and 3,389.51

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Solution

The fourth proportional to 11,711.32, 17,564.38 and 3,389.51 is: 5,083.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,711.32 : 17,564.38 = 3,389.51 : x
  2. Step 2: Convert to fraction form
    11,711.32/17,564.38 = 3,389.51/x
  3. Step 3: Cross multiply
    11,711.32x = 17,564.38 × 3,389.51
  4. Step 4: Simplify right side
    11,711.32x = 59,534,641.65
  5. Step 5: Solve for x
    x = 59,534,641.65/11,711.32
  6. Step 6: Final answer
    x = 5,083.51

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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.