Home / 18,541.20-27,816.36-5,393.69

Finding the Fourth Proportional to 18,541.20, 27,816.36 and 5,393.69

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Solution

The fourth proportional to 18,541.20, 27,816.36 and 5,393.69 is: 8,091.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,541.20 : 27,816.36 = 5,393.69 : x
  2. Step 2: Convert to fraction form
    18,541.20/27,816.36 = 5,393.69/x
  3. Step 3: Cross multiply
    18,541.20x = 27,816.36 × 5,393.69
  4. Step 4: Simplify right side
    18,541.20x = 150,032,798.11
  5. Step 5: Solve for x
    x = 150,032,798.11/18,541.20
  6. Step 6: Final answer
    x = 8,091.86

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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.