Home / 22,285.72-30,754.66-12,213.96

Finding the Fourth Proportional to 22,285.72, 30,754.66 and 12,213.96

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Solution

The fourth proportional to 22,285.72, 30,754.66 and 12,213.96 is: 16,855.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,285.72 : 30,754.66 = 12,213.96 : x
  2. Step 2: Convert to fraction form
    22,285.72/30,754.66 = 12,213.96/x
  3. Step 3: Cross multiply
    22,285.72x = 30,754.66 × 12,213.96
  4. Step 4: Simplify right side
    22,285.72x = 375,636,187.05
  5. Step 5: Solve for x
    x = 375,636,187.05/22,285.72
  6. Step 6: Final answer
    x = 16,855.47

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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.