Home / 22,423.92-30,943.62-12,351.80

Finding the Fourth Proportional to 22,423.92, 30,943.62 and 12,351.80

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Solution

The fourth proportional to 22,423.92, 30,943.62 and 12,351.80 is: 17,044.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,423.92 : 30,943.62 = 12,351.80 : x
  2. Step 2: Convert to fraction form
    22,423.92/30,943.62 = 12,351.80/x
  3. Step 3: Cross multiply
    22,423.92x = 30,943.62 × 12,351.80
  4. Step 4: Simplify right side
    22,423.92x = 382,209,366.84
  5. Step 5: Solve for x
    x = 382,209,366.84/22,423.92
  6. Step 6: Final answer
    x = 17,044.71

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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.