Home / 9,867.06-13,616.48-5,391.06

Finding the Fourth Proportional to 9,867.06, 13,616.48 and 5,391.06

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Solution

The fourth proportional to 9,867.06, 13,616.48 and 5,391.06 is: 7,439.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,867.06 : 13,616.48 = 5,391.06 : x
  2. Step 2: Convert to fraction form
    9,867.06/13,616.48 = 5,391.06/x
  3. Step 3: Cross multiply
    9,867.06x = 13,616.48 × 5,391.06
  4. Step 4: Simplify right side
    9,867.06x = 73,407,233.71
  5. Step 5: Solve for x
    x = 73,407,233.71/9,867.06
  6. Step 6: Final answer
    x = 7,439.63

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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.