Home / 9,867.73-13,617.51-5,391.56

Finding the Fourth Proportional to 9,867.73, 13,617.51 and 5,391.56

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Solution

The fourth proportional to 9,867.73, 13,617.51 and 5,391.56 is: 7,440.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,867.73 : 13,617.51 = 5,391.56 : x
  2. Step 2: Convert to fraction form
    9,867.73/13,617.51 = 5,391.56/x
  3. Step 3: Cross multiply
    9,867.73x = 13,617.51 × 5,391.56
  4. Step 4: Simplify right side
    9,867.73x = 73,419,554.13
  5. Step 5: Solve for x
    x = 73,419,554.13/9,867.73
  6. Step 6: Final answer
    x = 7,440.37

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1.5x scale

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.