Home / 13,028.06-17,961.80-8,304.14

Finding the Fourth Proportional to 13,028.06, 17,961.80 and 8,304.14

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Solution

The fourth proportional to 13,028.06, 17,961.80 and 8,304.14 is: 11,448.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,028.06 : 17,961.80 = 8,304.14 : x
  2. Step 2: Convert to fraction form
    13,028.06/17,961.80 = 8,304.14/x
  3. Step 3: Cross multiply
    13,028.06x = 17,961.80 × 8,304.14
  4. Step 4: Simplify right side
    13,028.06x = 149,157,301.85
  5. Step 5: Solve for x
    x = 149,157,301.85/13,028.06
  6. Step 6: Final answer
    x = 11,448.93

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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.