Home / 18,423.12-27,626.12-5,940.80

Finding the Fourth Proportional to 18,423.12, 27,626.12 and 5,940.80

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Solution

The fourth proportional to 18,423.12, 27,626.12 and 5,940.80 is: 8,908.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,423.12 : 27,626.12 = 5,940.80 : x
  2. Step 2: Convert to fraction form
    18,423.12/27,626.12 = 5,940.80/x
  3. Step 3: Cross multiply
    18,423.12x = 27,626.12 × 5,940.80
  4. Step 4: Simplify right side
    18,423.12x = 164,121,253.70
  5. Step 5: Solve for x
    x = 164,121,253.70/18,423.12
  6. Step 6: Final answer
    x = 8,908.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.