Home / 18,260.64-27,388.26-5,112.18

Finding the Fourth Proportional to 18,260.64, 27,388.26 and 5,112.18

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Solution

The fourth proportional to 18,260.64, 27,388.26 and 5,112.18 is: 7,667.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,260.64 : 27,388.26 = 5,112.18 : x
  2. Step 2: Convert to fraction form
    18,260.64/27,388.26 = 5,112.18/x
  3. Step 3: Cross multiply
    18,260.64x = 27,388.26 × 5,112.18
  4. Step 4: Simplify right side
    18,260.64x = 140,013,715.01
  5. Step 5: Solve for x
    x = 140,013,715.01/18,260.64
  6. Step 6: Final answer
    x = 7,667.51

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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.