Home / 10,399.75-14,351.66-5,684.02

Finding the Fourth Proportional to 10,399.75, 14,351.66 and 5,684.02

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Solution

The fourth proportional to 10,399.75, 14,351.66 and 5,684.02 is: 7,843.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,399.75 : 14,351.66 = 5,684.02 : x
  2. Step 2: Convert to fraction form
    10,399.75/14,351.66 = 5,684.02/x
  3. Step 3: Cross multiply
    10,399.75x = 14,351.66 × 5,684.02
  4. Step 4: Simplify right side
    10,399.75x = 81,575,122.47
  5. Step 5: Solve for x
    x = 81,575,122.47/10,399.75
  6. Step 6: Final answer
    x = 7,843.95

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.