Home / 11,185.05-15,429.66-8,527.84

Finding the Fourth Proportional to 11,185.05, 15,429.66 and 8,527.84

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Solution

The fourth proportional to 11,185.05, 15,429.66 and 8,527.84 is: 11,764.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,185.05 : 15,429.66 = 8,527.84 : x
  2. Step 2: Convert to fraction form
    11,185.05/15,429.66 = 8,527.84/x
  3. Step 3: Cross multiply
    11,185.05x = 15,429.66 × 8,527.84
  4. Step 4: Simplify right side
    11,185.05x = 131,581,671.73
  5. Step 5: Solve for x
    x = 131,581,671.73/11,185.05
  6. Step 6: Final answer
    x = 11,764.07

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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.