Home / 22,006.20-33,009.30-6,421.80

Finding the Fourth Proportional to 22,006.20, 33,009.30 and 6,421.80

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Solution

The fourth proportional to 22,006.20, 33,009.30 and 6,421.80 is: 9,632.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,006.20 : 33,009.30 = 6,421.80 : x
  2. Step 2: Convert to fraction form
    22,006.20/33,009.30 = 6,421.80/x
  3. Step 3: Cross multiply
    22,006.20x = 33,009.30 × 6,421.80
  4. Step 4: Simplify right side
    22,006.20x = 211,979,122.74
  5. Step 5: Solve for x
    x = 211,979,122.74/22,006.20
  6. Step 6: Final answer
    x = 9,632.70

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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.