Home / 19,949.40-27,530-10,996.92

Finding the Fourth Proportional to 19,949.40, 27,530 and 10,996.92

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Solution

The fourth proportional to 19,949.40, 27,530 and 10,996.92 is: 15,175.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,949.40 : 27,530 = 10,996.92 : x
  2. Step 2: Convert to fraction form
    19,949.40/27,530 = 10,996.92/x
  3. Step 3: Cross multiply
    19,949.40x = 27,530 × 10,996.92
  4. Step 4: Simplify right side
    19,949.40x = 302,745,207.60
  5. Step 5: Solve for x
    x = 302,745,207.60/19,949.40
  6. Step 6: Final answer
    x = 15,175.65

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Double scale
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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.