Home / 13,493.28-20,190.63-7,949.25

Finding the Fourth Proportional to 13,493.28, 20,190.63 and 7,949.25

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Solution

The fourth proportional to 13,493.28, 20,190.63 and 7,949.25 is: 11,894.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,493.28 : 20,190.63 = 7,949.25 : x
  2. Step 2: Convert to fraction form
    13,493.28/20,190.63 = 7,949.25/x
  3. Step 3: Cross multiply
    13,493.28x = 20,190.63 × 7,949.25
  4. Step 4: Simplify right side
    13,493.28x = 160,500,365.53
  5. Step 5: Solve for x
    x = 160,500,365.53/13,493.28
  6. Step 6: Final answer
    x = 11,894.84

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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.