Home / 16,001.48-22,081.78-8,928.68

Finding the Fourth Proportional to 16,001.48, 22,081.78 and 8,928.68

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Solution

The fourth proportional to 16,001.48, 22,081.78 and 8,928.68 is: 12,321.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,001.48 : 22,081.78 = 8,928.68 : x
  2. Step 2: Convert to fraction form
    16,001.48/22,081.78 = 8,928.68/x
  3. Step 3: Cross multiply
    16,001.48x = 22,081.78 × 8,928.68
  4. Step 4: Simplify right side
    16,001.48x = 197,161,147.45
  5. Step 5: Solve for x
    x = 197,161,147.45/16,001.48
  6. Step 6: Final answer
    x = 12,321.43

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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.