Home / 18,960.08-26,166.85-11,408.85

Finding the Fourth Proportional to 18,960.08, 26,166.85 and 11,408.85

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Solution

The fourth proportional to 18,960.08, 26,166.85 and 11,408.85 is: 15,745.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,960.08 : 26,166.85 = 11,408.85 : x
  2. Step 2: Convert to fraction form
    18,960.08/26,166.85 = 11,408.85/x
  3. Step 3: Cross multiply
    18,960.08x = 26,166.85 × 11,408.85
  4. Step 4: Simplify right side
    18,960.08x = 298,533,638.10
  5. Step 5: Solve for x
    x = 298,533,638.10/18,960.08
  6. Step 6: Final answer
    x = 15,745.38

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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.