Home / 18,251.19-27,376.61-5,771.21

Finding the Fourth Proportional to 18,251.19, 27,376.61 and 5,771.21

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Solution

The fourth proportional to 18,251.19, 27,376.61 and 5,771.21 is: 8,656.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,251.19 : 27,376.61 = 5,771.21 : x
  2. Step 2: Convert to fraction form
    18,251.19/27,376.61 = 5,771.21/x
  3. Step 3: Cross multiply
    18,251.19x = 27,376.61 × 5,771.21
  4. Step 4: Simplify right side
    18,251.19x = 157,996,165.40
  5. Step 5: Solve for x
    x = 157,996,165.40/18,251.19
  6. Step 6: Final answer
    x = 8,656.76

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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.