Home / 16,638.86-22,961.34-9,469.52

Finding the Fourth Proportional to 16,638.86, 22,961.34 and 9,469.52

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Solution

The fourth proportional to 16,638.86, 22,961.34 and 9,469.52 is: 13,067.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,638.86 : 22,961.34 = 9,469.52 : x
  2. Step 2: Convert to fraction form
    16,638.86/22,961.34 = 9,469.52/x
  3. Step 3: Cross multiply
    16,638.86x = 22,961.34 × 9,469.52
  4. Step 4: Simplify right side
    16,638.86x = 217,432,868.36
  5. Step 5: Solve for x
    x = 217,432,868.36/16,638.86
  6. Step 6: Final answer
    x = 13,067.77

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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.