Home / 18,549.60-27,824.39-5,402.99

Finding the Fourth Proportional to 18,549.60, 27,824.39 and 5,402.99

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Solution

The fourth proportional to 18,549.60, 27,824.39 and 5,402.99 is: 8,104.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,549.60 : 27,824.39 = 5,402.99 : x
  2. Step 2: Convert to fraction form
    18,549.60/27,824.39 = 5,402.99/x
  3. Step 3: Cross multiply
    18,549.60x = 27,824.39 × 5,402.99
  4. Step 4: Simplify right side
    18,549.60x = 150,334,900.93
  5. Step 5: Solve for x
    x = 150,334,900.93/18,549.60
  6. Step 6: Final answer
    x = 8,104.48

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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.