Home / 11,378.08-17,067.20-10,882.40

Finding the Fourth Proportional to 11,378.08, 17,067.20 and 10,882.40

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Solution

The fourth proportional to 11,378.08, 17,067.20 and 10,882.40 is: 16,323.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,378.08 : 17,067.20 = 10,882.40 : x
  2. Step 2: Convert to fraction form
    11,378.08/17,067.20 = 10,882.40/x
  3. Step 3: Cross multiply
    11,378.08x = 17,067.20 × 10,882.40
  4. Step 4: Simplify right side
    11,378.08x = 185,732,097.28
  5. Step 5: Solve for x
    x = 185,732,097.28/11,378.08
  6. Step 6: Final answer
    x = 16,323.68

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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.