Home / 11,136.96-15,361.92-7,102.08

Finding the Fourth Proportional to 11,136.96, 15,361.92 and 7,102.08

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Solution

The fourth proportional to 11,136.96, 15,361.92 and 7,102.08 is: 9,796.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,136.96 : 15,361.92 = 7,102.08 : x
  2. Step 2: Convert to fraction form
    11,136.96/15,361.92 = 7,102.08/x
  3. Step 3: Cross multiply
    11,136.96x = 15,361.92 × 7,102.08
  4. Step 4: Simplify right side
    11,136.96x = 109,101,584.79
  5. Step 5: Solve for x
    x = 109,101,584.79/11,136.96
  6. Step 6: Final answer
    x = 9,796.35

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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.