Home / 20,010.78-27,614.88-12,053.34

Finding the Fourth Proportional to 20,010.78, 27,614.88 and 12,053.34

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Solution

The fourth proportional to 20,010.78, 27,614.88 and 12,053.34 is: 16,633.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,010.78 : 27,614.88 = 12,053.34 : x
  2. Step 2: Convert to fraction form
    20,010.78/27,614.88 = 12,053.34/x
  3. Step 3: Cross multiply
    20,010.78x = 27,614.88 × 12,053.34
  4. Step 4: Simplify right side
    20,010.78x = 332,851,537.70
  5. Step 5: Solve for x
    x = 332,851,537.70/20,010.78
  6. Step 6: Final answer
    x = 16,633.61

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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.