Home / 16,029.38-22,120.09-8,955.80

Finding the Fourth Proportional to 16,029.38, 22,120.09 and 8,955.80

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Solution

The fourth proportional to 16,029.38, 22,120.09 and 8,955.80 is: 12,358.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,029.38 : 22,120.09 = 8,955.80 : x
  2. Step 2: Convert to fraction form
    16,029.38/22,120.09 = 8,955.80/x
  3. Step 3: Cross multiply
    16,029.38x = 22,120.09 × 8,955.80
  4. Step 4: Simplify right side
    16,029.38x = 198,103,051.98
  5. Step 5: Solve for x
    x = 198,103,051.98/16,029.38
  6. Step 6: Final answer
    x = 12,358.75

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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.