Home / 11,179.62-15,418.35-9,506.43

Finding the Fourth Proportional to 11,179.62, 15,418.35 and 9,506.43

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Solution

The fourth proportional to 11,179.62, 15,418.35 and 9,506.43 is: 13,110.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,179.62 : 15,418.35 = 9,506.43 : x
  2. Step 2: Convert to fraction form
    11,179.62/15,418.35 = 9,506.43/x
  3. Step 3: Cross multiply
    11,179.62x = 15,418.35 × 9,506.43
  4. Step 4: Simplify right side
    11,179.62x = 146,573,464.99
  5. Step 5: Solve for x
    x = 146,573,464.99/11,179.62
  6. Step 6: Final answer
    x = 13,110.77

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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.