Home / 10,133.73-13,989.11-5,942.25

Finding the Fourth Proportional to 10,133.73, 13,989.11 and 5,942.25

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Solution

The fourth proportional to 10,133.73, 13,989.11 and 5,942.25 is: 8,202.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,133.73 : 13,989.11 = 5,942.25 : x
  2. Step 2: Convert to fraction form
    10,133.73/13,989.11 = 5,942.25/x
  3. Step 3: Cross multiply
    10,133.73x = 13,989.11 × 5,942.25
  4. Step 4: Simplify right side
    10,133.73x = 83,126,759.19
  5. Step 5: Solve for x
    x = 83,126,759.19/10,133.73
  6. Step 6: Final answer
    x = 8,202.98

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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.