Home / 11,282.40-16,896.24-5,721.12

Finding the Fourth Proportional to 11,282.40, 16,896.24 and 5,721.12

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Solution

The fourth proportional to 11,282.40, 16,896.24 and 5,721.12 is: 8,567.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,282.40 : 16,896.24 = 5,721.12 : x
  2. Step 2: Convert to fraction form
    11,282.40/16,896.24 = 5,721.12/x
  3. Step 3: Cross multiply
    11,282.40x = 16,896.24 × 5,721.12
  4. Step 4: Simplify right side
    11,282.40x = 96,665,416.59
  5. Step 5: Solve for x
    x = 96,665,416.59/11,282.40
  6. Step 6: Final answer
    x = 8,567.81

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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.