Home / 16,529.78-22,811.26-8,976.18

Finding the Fourth Proportional to 16,529.78, 22,811.26 and 8,976.18

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Solution

The fourth proportional to 16,529.78, 22,811.26 and 8,976.18 is: 12,387.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,529.78 : 22,811.26 = 8,976.18 : x
  2. Step 2: Convert to fraction form
    16,529.78/22,811.26 = 8,976.18/x
  3. Step 3: Cross multiply
    16,529.78x = 22,811.26 × 8,976.18
  4. Step 4: Simplify right side
    16,529.78x = 204,757,975.79
  5. Step 5: Solve for x
    x = 204,757,975.79/16,529.78
  6. Step 6: Final answer
    x = 12,387.22

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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.