Home / 18,549.72-27,810.20-9,183.28

Finding the Fourth Proportional to 18,549.72, 27,810.20 and 9,183.28

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Solution

The fourth proportional to 18,549.72, 27,810.20 and 9,183.28 is: 13,767.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,549.72 : 27,810.20 = 9,183.28 : x
  2. Step 2: Convert to fraction form
    18,549.72/27,810.20 = 9,183.28/x
  3. Step 3: Cross multiply
    18,549.72x = 27,810.20 × 9,183.28
  4. Step 4: Simplify right side
    18,549.72x = 255,388,853.46
  5. Step 5: Solve for x
    x = 255,388,853.46/18,549.72
  6. Step 6: Final answer
    x = 13,767.80

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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.