Home / 22,421.20-33,631.80-6,836.80

Finding the Fourth Proportional to 22,421.20, 33,631.80 and 6,836.80

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Solution

The fourth proportional to 22,421.20, 33,631.80 and 6,836.80 is: 10,255.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,421.20 : 33,631.80 = 6,836.80 : x
  2. Step 2: Convert to fraction form
    22,421.20/33,631.80 = 6,836.80/x
  3. Step 3: Cross multiply
    22,421.20x = 33,631.80 × 6,836.80
  4. Step 4: Simplify right side
    22,421.20x = 229,933,890.24
  5. Step 5: Solve for x
    x = 229,933,890.24/22,421.20
  6. Step 6: Final answer
    x = 10,255.20

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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.