Home / 10,186.20-14,062.77-7,791.75

Finding the Fourth Proportional to 10,186.20, 14,062.77 and 7,791.75

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Solution

The fourth proportional to 10,186.20, 14,062.77 and 7,791.75 is: 10,757.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,186.20 : 14,062.77 = 7,791.75 : x
  2. Step 2: Convert to fraction form
    10,186.20/14,062.77 = 7,791.75/x
  3. Step 3: Cross multiply
    10,186.20x = 14,062.77 × 7,791.75
  4. Step 4: Simplify right side
    10,186.20x = 109,573,588.15
  5. Step 5: Solve for x
    x = 109,573,588.15/10,186.20
  6. Step 6: Final answer
    x = 10,757.06

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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.