Home / 12,100.73-18,153.38-4,202.93

Finding the Fourth Proportional to 12,100.73, 18,153.38 and 4,202.93

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Solution

The fourth proportional to 12,100.73, 18,153.38 and 4,202.93 is: 6,305.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,100.73 : 18,153.38 = 4,202.93 : x
  2. Step 2: Convert to fraction form
    12,100.73/18,153.38 = 4,202.93/x
  3. Step 3: Cross multiply
    12,100.73x = 18,153.38 × 4,202.93
  4. Step 4: Simplify right side
    12,100.73x = 76,297,441.29
  5. Step 5: Solve for x
    x = 76,297,441.29/12,100.73
  6. Step 6: Final answer
    x = 6,305.20

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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.