Home / 10,018.26-15,027.78-2,998.38

Finding the Fourth Proportional to 10,018.26, 15,027.78 and 2,998.38

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Solution

The fourth proportional to 10,018.26, 15,027.78 and 2,998.38 is: 4,497.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,018.26 : 15,027.78 = 2,998.38 : x
  2. Step 2: Convert to fraction form
    10,018.26/15,027.78 = 2,998.38/x
  3. Step 3: Cross multiply
    10,018.26x = 15,027.78 × 2,998.38
  4. Step 4: Simplify right side
    10,018.26x = 45,058,995.00
  5. Step 5: Solve for x
    x = 45,058,995.00/10,018.26
  6. Step 6: Final answer
    x = 4,497.69

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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.