Home / 11,810.13-17,711.03-3,487.95

Finding the Fourth Proportional to 11,810.13, 17,711.03 and 3,487.95

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Solution

The fourth proportional to 11,810.13, 17,711.03 and 3,487.95 is: 5,230.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,810.13 : 17,711.03 = 3,487.95 : x
  2. Step 2: Convert to fraction form
    11,810.13/17,711.03 = 3,487.95/x
  3. Step 3: Cross multiply
    11,810.13x = 17,711.03 × 3,487.95
  4. Step 4: Simplify right side
    11,810.13x = 61,775,169.65
  5. Step 5: Solve for x
    x = 61,775,169.65/11,810.13
  6. Step 6: Final answer
    x = 5,230.69

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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.