Home / 19,660.80-27,132.22-10,708.47

Finding the Fourth Proportional to 19,660.80, 27,132.22 and 10,708.47

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Solution

The fourth proportional to 19,660.80, 27,132.22 and 10,708.47 is: 14,777.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,660.80 : 27,132.22 = 10,708.47 : x
  2. Step 2: Convert to fraction form
    19,660.80/27,132.22 = 10,708.47/x
  3. Step 3: Cross multiply
    19,660.80x = 27,132.22 × 10,708.47
  4. Step 4: Simplify right side
    19,660.80x = 290,544,563.90
  5. Step 5: Solve for x
    x = 290,544,563.90/19,660.80
  6. Step 6: Final answer
    x = 14,777.86

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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.