Home / 18,331.72-27,499.95-5,184.43

Finding the Fourth Proportional to 18,331.72, 27,499.95 and 5,184.43

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Solution

The fourth proportional to 18,331.72, 27,499.95 and 5,184.43 is: 7,777.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,331.72 : 27,499.95 = 5,184.43 : x
  2. Step 2: Convert to fraction form
    18,331.72/27,499.95 = 5,184.43/x
  3. Step 3: Cross multiply
    18,331.72x = 27,499.95 × 5,184.43
  4. Step 4: Simplify right side
    18,331.72x = 142,571,497.03
  5. Step 5: Solve for x
    x = 142,571,497.03/18,331.72
  6. Step 6: Final answer
    x = 7,777.31

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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.