Home / 18,745.36-25,867.82-11,192.92

Finding the Fourth Proportional to 18,745.36, 25,867.82 and 11,192.92

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Solution

The fourth proportional to 18,745.36, 25,867.82 and 11,192.92 is: 15,445.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,745.36 : 25,867.82 = 11,192.92 : x
  2. Step 2: Convert to fraction form
    18,745.36/25,867.82 = 11,192.92/x
  3. Step 3: Cross multiply
    18,745.36x = 25,867.82 × 11,192.92
  4. Step 4: Simplify right side
    18,745.36x = 289,536,439.83
  5. Step 5: Solve for x
    x = 289,536,439.83/18,745.36
  6. Step 6: Final answer
    x = 15,445.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.