Home / 18,528.72-27,797.34-5,382.18

Finding the Fourth Proportional to 18,528.72, 27,797.34 and 5,382.18

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Solution

The fourth proportional to 18,528.72, 27,797.34 and 5,382.18 is: 8,074.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,528.72 : 27,797.34 = 5,382.18 : x
  2. Step 2: Convert to fraction form
    18,528.72/27,797.34 = 5,382.18/x
  3. Step 3: Cross multiply
    18,528.72x = 27,797.34 × 5,382.18
  4. Step 4: Simplify right side
    18,528.72x = 149,610,287.40
  5. Step 5: Solve for x
    x = 149,610,287.40/18,528.72
  6. Step 6: Final answer
    x = 8,074.51

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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.