Home / 10,194.12-14,067.12-5,717.10

Finding the Fourth Proportional to 10,194.12, 14,067.12 and 5,717.10

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Solution

The fourth proportional to 10,194.12, 14,067.12 and 5,717.10 is: 7,889.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,194.12 : 14,067.12 = 5,717.10 : x
  2. Step 2: Convert to fraction form
    10,194.12/14,067.12 = 5,717.10/x
  3. Step 3: Cross multiply
    10,194.12x = 14,067.12 × 5,717.10
  4. Step 4: Simplify right side
    10,194.12x = 80,423,131.75
  5. Step 5: Solve for x
    x = 80,423,131.75/10,194.12
  6. Step 6: Final answer
    x = 7,889.17

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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.