Home / 12,222.46-18,333.69-6,377.70

Finding the Fourth Proportional to 12,222.46, 18,333.69 and 6,377.70

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Solution

The fourth proportional to 12,222.46, 18,333.69 and 6,377.70 is: 9,566.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,222.46 : 18,333.69 = 6,377.70 : x
  2. Step 2: Convert to fraction form
    12,222.46/18,333.69 = 6,377.70/x
  3. Step 3: Cross multiply
    12,222.46x = 18,333.69 × 6,377.70
  4. Step 4: Simplify right side
    12,222.46x = 116,926,820.55
  5. Step 5: Solve for x
    x = 116,926,820.55/12,222.46
  6. Step 6: Final answer
    x = 9,566.55

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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.