Home / 22,068.40-33,115.40-8,218.80

Finding the Fourth Proportional to 22,068.40, 33,115.40 and 8,218.80

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Solution

The fourth proportional to 22,068.40, 33,115.40 and 8,218.80 is: 12,332.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,068.40 : 33,115.40 = 8,218.80 : x
  2. Step 2: Convert to fraction form
    22,068.40/33,115.40 = 8,218.80/x
  3. Step 3: Cross multiply
    22,068.40x = 33,115.40 × 8,218.80
  4. Step 4: Simplify right side
    22,068.40x = 272,168,849.52
  5. Step 5: Solve for x
    x = 272,168,849.52/22,068.40
  6. Step 6: Final answer
    x = 12,332.97

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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.