Home / 10,205.96-14,084.11-5,729.60

Finding the Fourth Proportional to 10,205.96, 14,084.11 and 5,729.60

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Solution

The fourth proportional to 10,205.96, 14,084.11 and 5,729.60 is: 7,906.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,205.96 : 14,084.11 = 5,729.60 : x
  2. Step 2: Convert to fraction form
    10,205.96/14,084.11 = 5,729.60/x
  3. Step 3: Cross multiply
    10,205.96x = 14,084.11 × 5,729.60
  4. Step 4: Simplify right side
    10,205.96x = 80,696,288.01
  5. Step 5: Solve for x
    x = 80,696,288.01/10,205.96
  6. Step 6: Final answer
    x = 7,906.78

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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.