Home / 16,006.40-23,977.20-9,072.80

Finding the Fourth Proportional to 16,006.40, 23,977.20 and 9,072.80

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Solution

The fourth proportional to 16,006.40, 23,977.20 and 9,072.80 is: 13,590.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,006.40 : 23,977.20 = 9,072.80 : x
  2. Step 2: Convert to fraction form
    16,006.40/23,977.20 = 9,072.80/x
  3. Step 3: Cross multiply
    16,006.40x = 23,977.20 × 9,072.80
  4. Step 4: Simplify right side
    16,006.40x = 217,540,340.16
  5. Step 5: Solve for x
    x = 217,540,340.16/16,006.40
  6. Step 6: Final answer
    x = 13,590.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.