Home / 16,029.72-22,122.36-8,956.80

Finding the Fourth Proportional to 16,029.72, 22,122.36 and 8,956.80

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Solution

The fourth proportional to 16,029.72, 22,122.36 and 8,956.80 is: 12,361.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,029.72 : 22,122.36 = 8,956.80 : x
  2. Step 2: Convert to fraction form
    16,029.72/22,122.36 = 8,956.80/x
  3. Step 3: Cross multiply
    16,029.72x = 22,122.36 × 8,956.80
  4. Step 4: Simplify right side
    16,029.72x = 198,145,554.05
  5. Step 5: Solve for x
    x = 198,145,554.05/16,029.72
  6. Step 6: Final answer
    x = 12,361.14

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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.