Home / 13,493.20-20,196.60-7,237.84

Finding the Fourth Proportional to 13,493.20, 20,196.60 and 7,237.84

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Solution

The fourth proportional to 13,493.20, 20,196.60 and 7,237.84 is: 10,833.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,493.20 : 20,196.60 = 7,237.84 : x
  2. Step 2: Convert to fraction form
    13,493.20/20,196.60 = 7,237.84/x
  3. Step 3: Cross multiply
    13,493.20x = 20,196.60 × 7,237.84
  4. Step 4: Simplify right side
    13,493.20x = 146,179,759.34
  5. Step 5: Solve for x
    x = 146,179,759.34/13,493.20
  6. Step 6: Final answer
    x = 10,833.59

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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.