Home / 18,227.37-27,340.67-5,079.40

Finding the Fourth Proportional to 18,227.37, 27,340.67 and 5,079.40

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Solution

The fourth proportional to 18,227.37, 27,340.67 and 5,079.40 is: 7,618.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,227.37 : 27,340.67 = 5,079.40 : x
  2. Step 2: Convert to fraction form
    18,227.37/27,340.67 = 5,079.40/x
  3. Step 3: Cross multiply
    18,227.37x = 27,340.67 × 5,079.40
  4. Step 4: Simplify right side
    18,227.37x = 138,874,199.20
  5. Step 5: Solve for x
    x = 138,874,199.20/18,227.37
  6. Step 6: Final answer
    x = 7,618.99

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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.