Home / 19,659.55-27,132.42-11,701.80

Finding the Fourth Proportional to 19,659.55, 27,132.42 and 11,701.80

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Solution

The fourth proportional to 19,659.55, 27,132.42 and 11,701.80 is: 16,149.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,659.55 : 27,132.42 = 11,701.80 : x
  2. Step 2: Convert to fraction form
    19,659.55/27,132.42 = 11,701.80/x
  3. Step 3: Cross multiply
    19,659.55x = 27,132.42 × 11,701.80
  4. Step 4: Simplify right side
    19,659.55x = 317,498,152.36
  5. Step 5: Solve for x
    x = 317,498,152.36/19,659.55
  6. Step 6: Final answer
    x = 16,149.82

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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.