Home / 18,640.02-27,964.08-10,747.65

Finding the Fourth Proportional to 18,640.02, 27,964.08 and 10,747.65

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Solution

The fourth proportional to 18,640.02, 27,964.08 and 10,747.65 is: 16,123.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,640.02 : 27,964.08 = 10,747.65 : x
  2. Step 2: Convert to fraction form
    18,640.02/27,964.08 = 10,747.65/x
  3. Step 3: Cross multiply
    18,640.02x = 27,964.08 × 10,747.65
  4. Step 4: Simplify right side
    18,640.02x = 300,548,144.41
  5. Step 5: Solve for x
    x = 300,548,144.41/18,640.02
  6. Step 6: Final answer
    x = 16,123.81

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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.