Home / 15,957.82-22,021.38-8,884.09

Finding the Fourth Proportional to 15,957.82, 22,021.38 and 8,884.09

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Solution

The fourth proportional to 15,957.82, 22,021.38 and 8,884.09 is: 12,259.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,957.82 : 22,021.38 = 8,884.09 : x
  2. Step 2: Convert to fraction form
    15,957.82/22,021.38 = 8,884.09/x
  3. Step 3: Cross multiply
    15,957.82x = 22,021.38 × 8,884.09
  4. Step 4: Simplify right side
    15,957.82x = 195,639,811.74
  5. Step 5: Solve for x
    x = 195,639,811.74/15,957.82
  6. Step 6: Final answer
    x = 12,259.81

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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.