Home / 19,649.22-27,115.56-10,696.92

Finding the Fourth Proportional to 19,649.22, 27,115.56 and 10,696.92

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Solution

The fourth proportional to 19,649.22, 27,115.56 and 10,696.92 is: 14,761.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,649.22 : 27,115.56 = 10,696.92 : x
  2. Step 2: Convert to fraction form
    19,649.22/27,115.56 = 10,696.92/x
  3. Step 3: Cross multiply
    19,649.22x = 27,115.56 × 10,696.92
  4. Step 4: Simplify right side
    19,649.22x = 290,052,976.08
  5. Step 5: Solve for x
    x = 290,052,976.08/19,649.22
  6. Step 6: Final answer
    x = 14,761.55

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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.