Home / 11,519.52-17,195.16-9,886.56

Finding the Fourth Proportional to 11,519.52, 17,195.16 and 9,886.56

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Solution

The fourth proportional to 11,519.52, 17,195.16 and 9,886.56 is: 14,757.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,519.52 : 17,195.16 = 9,886.56 : x
  2. Step 2: Convert to fraction form
    11,519.52/17,195.16 = 9,886.56/x
  3. Step 3: Cross multiply
    11,519.52x = 17,195.16 × 9,886.56
  4. Step 4: Simplify right side
    11,519.52x = 170,000,981.05
  5. Step 5: Solve for x
    x = 170,000,981.05/11,519.52
  6. Step 6: Final answer
    x = 14,757.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.