Home / 22,136.30-33,213.35-8,989.70

Finding the Fourth Proportional to 22,136.30, 33,213.35 and 8,989.70

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Solution

The fourth proportional to 22,136.30, 33,213.35 and 8,989.70 is: 13,488.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,136.30 : 33,213.35 = 8,989.70 : x
  2. Step 2: Convert to fraction form
    22,136.30/33,213.35 = 8,989.70/x
  3. Step 3: Cross multiply
    22,136.30x = 33,213.35 × 8,989.70
  4. Step 4: Simplify right side
    22,136.30x = 298,578,052.50
  5. Step 5: Solve for x
    x = 298,578,052.50/22,136.30
  6. Step 6: Final answer
    x = 13,488.16

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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.