Home / 16,490.12-22,786.49-12,006.05

Finding the Fourth Proportional to 16,490.12, 22,786.49 and 12,006.05

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Solution

The fourth proportional to 16,490.12, 22,786.49 and 12,006.05 is: 16,590.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,490.12 : 22,786.49 = 12,006.05 : x
  2. Step 2: Convert to fraction form
    16,490.12/22,786.49 = 12,006.05/x
  3. Step 3: Cross multiply
    16,490.12x = 22,786.49 × 12,006.05
  4. Step 4: Simplify right side
    16,490.12x = 273,575,654.35
  5. Step 5: Solve for x
    x = 273,575,654.35/16,490.12
  6. Step 6: Final answer
    x = 16,590.28

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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.