Home / 13,850.36-20,783.76-5,534.30

Finding the Fourth Proportional to 13,850.36, 20,783.76 and 5,534.30

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Solution

The fourth proportional to 13,850.36, 20,783.76 and 5,534.30 is: 8,304.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,850.36 : 20,783.76 = 5,534.30 : x
  2. Step 2: Convert to fraction form
    13,850.36/20,783.76 = 5,534.30/x
  3. Step 3: Cross multiply
    13,850.36x = 20,783.76 × 5,534.30
  4. Step 4: Simplify right side
    13,850.36x = 115,023,562.97
  5. Step 5: Solve for x
    x = 115,023,562.97/13,850.36
  6. Step 6: Final answer
    x = 8,304.73

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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.