Home / 11,193.53-15,444.27-7,209.84

Finding the Fourth Proportional to 11,193.53, 15,444.27 and 7,209.84

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Solution

The fourth proportional to 11,193.53, 15,444.27 and 7,209.84 is: 9,947.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,193.53 : 15,444.27 = 7,209.84 : x
  2. Step 2: Convert to fraction form
    11,193.53/15,444.27 = 7,209.84/x
  3. Step 3: Cross multiply
    11,193.53x = 15,444.27 × 7,209.84
  4. Step 4: Simplify right side
    11,193.53x = 111,350,773.53
  5. Step 5: Solve for x
    x = 111,350,773.53/11,193.53
  6. Step 6: Final answer
    x = 9,947.78

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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.