Home / 11,321.24-15,624.29-6,286.43

Finding the Fourth Proportional to 11,321.24, 15,624.29 and 6,286.43

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Solution

The fourth proportional to 11,321.24, 15,624.29 and 6,286.43 is: 8,675.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,321.24 : 15,624.29 = 6,286.43 : x
  2. Step 2: Convert to fraction form
    11,321.24/15,624.29 = 6,286.43/x
  3. Step 3: Cross multiply
    11,321.24x = 15,624.29 × 6,286.43
  4. Step 4: Simplify right side
    11,321.24x = 98,220,895.83
  5. Step 5: Solve for x
    x = 98,220,895.83/11,321.24
  6. Step 6: Final answer
    x = 8,675.81

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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.