Home / 18,567.94-27,853.26-5,420.65

Finding the Fourth Proportional to 18,567.94, 27,853.26 and 5,420.65

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Solution

The fourth proportional to 18,567.94, 27,853.26 and 5,420.65 is: 8,131.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,567.94 : 27,853.26 = 5,420.65 : x
  2. Step 2: Convert to fraction form
    18,567.94/27,853.26 = 5,420.65/x
  3. Step 3: Cross multiply
    18,567.94x = 27,853.26 × 5,420.65
  4. Step 4: Simplify right side
    18,567.94x = 150,982,773.82
  5. Step 5: Solve for x
    x = 150,982,773.82/18,567.94
  6. Step 6: Final answer
    x = 8,131.37

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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.