Home / 8,839.36-13,229.87-7,867.36

Finding the Fourth Proportional to 8,839.36, 13,229.87 and 7,867.36

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Solution

The fourth proportional to 8,839.36, 13,229.87 and 7,867.36 is: 11,775.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,839.36 : 13,229.87 = 7,867.36 : x
  2. Step 2: Convert to fraction form
    8,839.36/13,229.87 = 7,867.36/x
  3. Step 3: Cross multiply
    8,839.36x = 13,229.87 × 7,867.36
  4. Step 4: Simplify right side
    8,839.36x = 104,084,083.89
  5. Step 5: Solve for x
    x = 104,084,083.89/8,839.36
  6. Step 6: Final answer
    x = 11,775.08

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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.