Home / 19,449.32-26,838.54-10,949.78

Finding the Fourth Proportional to 19,449.32, 26,838.54 and 10,949.78

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Solution

The fourth proportional to 19,449.32, 26,838.54 and 10,949.78 is: 15,109.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,449.32 : 26,838.54 = 10,949.78 : x
  2. Step 2: Convert to fraction form
    19,449.32/26,838.54 = 10,949.78/x
  3. Step 3: Cross multiply
    19,449.32x = 26,838.54 × 10,949.78
  4. Step 4: Simplify right side
    19,449.32x = 293,876,175.62
  5. Step 5: Solve for x
    x = 293,876,175.62/19,449.32
  6. Step 6: Final answer
    x = 15,109.85

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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.