Home / 18,258.05-27,387.14-5,110.54

Finding the Fourth Proportional to 18,258.05, 27,387.14 and 5,110.54

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Solution

The fourth proportional to 18,258.05, 27,387.14 and 5,110.54 is: 7,665.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,258.05 : 27,387.14 = 5,110.54 : x
  2. Step 2: Convert to fraction form
    18,258.05/27,387.14 = 5,110.54/x
  3. Step 3: Cross multiply
    18,258.05x = 27,387.14 × 5,110.54
  4. Step 4: Simplify right side
    18,258.05x = 139,962,980.44
  5. Step 5: Solve for x
    x = 139,962,980.44/18,258.05
  6. Step 6: Final answer
    x = 7,665.82

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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.