Home / 12,102.77-18,150.73-4,204.96

Finding the Fourth Proportional to 12,102.77, 18,150.73 and 4,204.96

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Solution

The fourth proportional to 12,102.77, 18,150.73 and 4,204.96 is: 6,306.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,102.77 : 18,150.73 = 4,204.96 : x
  2. Step 2: Convert to fraction form
    12,102.77/18,150.73 = 4,204.96/x
  3. Step 3: Cross multiply
    12,102.77x = 18,150.73 × 4,204.96
  4. Step 4: Simplify right side
    12,102.77x = 76,323,163.48
  5. Step 5: Solve for x
    x = 76,323,163.48/12,102.77
  6. Step 6: Final answer
    x = 6,306.26

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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.