Home / 18,257.58-27,386.64-5,110.20

Finding the Fourth Proportional to 18,257.58, 27,386.64 and 5,110.20

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Solution

The fourth proportional to 18,257.58, 27,386.64 and 5,110.20 is: 7,665.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,257.58 : 27,386.64 = 5,110.20 : x
  2. Step 2: Convert to fraction form
    18,257.58/27,386.64 = 5,110.20/x
  3. Step 3: Cross multiply
    18,257.58x = 27,386.64 × 5,110.20
  4. Step 4: Simplify right side
    18,257.58x = 139,951,207.73
  5. Step 5: Solve for x
    x = 139,951,207.73/18,257.58
  6. Step 6: Final answer
    x = 7,665.38

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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.