Home / 16,065.03-22,169.69-8,991.44

Finding the Fourth Proportional to 16,065.03, 22,169.69 and 8,991.44

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Solution

The fourth proportional to 16,065.03, 22,169.69 and 8,991.44 is: 12,408.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,065.03 : 22,169.69 = 8,991.44 : x
  2. Step 2: Convert to fraction form
    16,065.03/22,169.69 = 8,991.44/x
  3. Step 3: Cross multiply
    16,065.03x = 22,169.69 × 8,991.44
  4. Step 4: Simplify right side
    16,065.03x = 199,337,281.65
  5. Step 5: Solve for x
    x = 199,337,281.65/16,065.03
  6. Step 6: Final answer
    x = 12,408.15

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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.