Home / 20,110.52-27,745.35-12,553.98

Finding the Fourth Proportional to 20,110.52, 27,745.35 and 12,553.98

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Solution

The fourth proportional to 20,110.52, 27,745.35 and 12,553.98 is: 17,320.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,110.52 : 27,745.35 = 12,553.98 : x
  2. Step 2: Convert to fraction form
    20,110.52/27,745.35 = 12,553.98/x
  3. Step 3: Cross multiply
    20,110.52x = 27,745.35 × 12,553.98
  4. Step 4: Simplify right side
    20,110.52x = 348,314,625.96
  5. Step 5: Solve for x
    x = 348,314,625.96/20,110.52
  6. Step 6: Final answer
    x = 17,320.02

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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.