Home / 11,055.90-15,204.84-8,791.14

Finding the Fourth Proportional to 11,055.90, 15,204.84 and 8,791.14

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Solution

The fourth proportional to 11,055.90, 15,204.84 and 8,791.14 is: 12,090.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,055.90 : 15,204.84 = 8,791.14 : x
  2. Step 2: Convert to fraction form
    11,055.90/15,204.84 = 8,791.14/x
  3. Step 3: Cross multiply
    11,055.90x = 15,204.84 × 8,791.14
  4. Step 4: Simplify right side
    11,055.90x = 133,667,877.12
  5. Step 5: Solve for x
    x = 133,667,877.12/11,055.90
  6. Step 6: Final answer
    x = 12,090.19

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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.