Home / 16,468.20-22,745.72-13,122.36

Finding the Fourth Proportional to 16,468.20, 22,745.72 and 13,122.36

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Solution

The fourth proportional to 16,468.20, 22,745.72 and 13,122.36 is: 18,124.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,468.20 : 22,745.72 = 13,122.36 : x
  2. Step 2: Convert to fraction form
    16,468.20/22,745.72 = 13,122.36/x
  3. Step 3: Cross multiply
    16,468.20x = 22,745.72 × 13,122.36
  4. Step 4: Simplify right side
    16,468.20x = 298,477,526.30
  5. Step 5: Solve for x
    x = 298,477,526.30/16,468.20
  6. Step 6: Final answer
    x = 18,124.48

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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.