Home / 12,201.73-16,838.40-6,612.73

Finding the Fourth Proportional to 12,201.73, 16,838.40 and 6,612.73

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Solution

The fourth proportional to 12,201.73, 16,838.40 and 6,612.73 is: 9,125.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,201.73 : 16,838.40 = 6,612.73 : x
  2. Step 2: Convert to fraction form
    12,201.73/16,838.40 = 6,612.73/x
  3. Step 3: Cross multiply
    12,201.73x = 16,838.40 × 6,612.73
  4. Step 4: Simplify right side
    12,201.73x = 111,347,792.83
  5. Step 5: Solve for x
    x = 111,347,792.83/12,201.73
  6. Step 6: Final answer
    x = 9,125.57

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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.