Home / 20,264.05-27,963.66-12,714.45

Finding the Fourth Proportional to 20,264.05, 27,963.66 and 12,714.45

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Solution

The fourth proportional to 20,264.05, 27,963.66 and 12,714.45 is: 17,545.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,264.05 : 27,963.66 = 12,714.45 : x
  2. Step 2: Convert to fraction form
    20,264.05/27,963.66 = 12,714.45/x
  3. Step 3: Cross multiply
    20,264.05x = 27,963.66 × 12,714.45
  4. Step 4: Simplify right side
    20,264.05x = 355,542,556.89
  5. Step 5: Solve for x
    x = 355,542,556.89/20,264.05
  6. Step 6: Final answer
    x = 17,545.48

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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.