Home / 10,391.97-15,587.46-3,817.65

Finding the Fourth Proportional to 10,391.97, 15,587.46 and 3,817.65

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Solution

The fourth proportional to 10,391.97, 15,587.46 and 3,817.65 is: 5,726.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,391.97 : 15,587.46 = 3,817.65 : x
  2. Step 2: Convert to fraction form
    10,391.97/15,587.46 = 3,817.65/x
  3. Step 3: Cross multiply
    10,391.97x = 15,587.46 × 3,817.65
  4. Step 4: Simplify right side
    10,391.97x = 59,507,466.67
  5. Step 5: Solve for x
    x = 59,507,466.67/10,391.97
  6. Step 6: Final answer
    x = 5,726.29

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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.