Home / 19,648.78-27,115.24-10,696.25

Finding the Fourth Proportional to 19,648.78, 27,115.24 and 10,696.25

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Solution

The fourth proportional to 19,648.78, 27,115.24 and 10,696.25 is: 14,760.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,648.78 : 27,115.24 = 10,696.25 : x
  2. Step 2: Convert to fraction form
    19,648.78/27,115.24 = 10,696.25/x
  3. Step 3: Cross multiply
    19,648.78x = 27,115.24 × 10,696.25
  4. Step 4: Simplify right side
    19,648.78x = 290,031,385.85
  5. Step 5: Solve for x
    x = 290,031,385.85/19,648.78
  6. Step 6: Final answer
    x = 14,760.78

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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.