Home / 16,063.04-22,168.68-8,991.20

Finding the Fourth Proportional to 16,063.04, 22,168.68 and 8,991.20

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Solution

The fourth proportional to 16,063.04, 22,168.68 and 8,991.20 is: 12,408.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,063.04 : 22,168.68 = 8,991.20 : x
  2. Step 2: Convert to fraction form
    16,063.04/22,168.68 = 8,991.20/x
  3. Step 3: Cross multiply
    16,063.04x = 22,168.68 × 8,991.20
  4. Step 4: Simplify right side
    16,063.04x = 199,323,035.62
  5. Step 5: Solve for x
    x = 199,323,035.62/16,063.04
  6. Step 6: Final answer
    x = 12,408.80

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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.