Home / 11,147.30-16,711.73-5,221.26

Finding the Fourth Proportional to 11,147.30, 16,711.73 and 5,221.26

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Solution

The fourth proportional to 11,147.30, 16,711.73 and 5,221.26 is: 7,827.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,147.30 : 16,711.73 = 5,221.26 : x
  2. Step 2: Convert to fraction form
    11,147.30/16,711.73 = 5,221.26/x
  3. Step 3: Cross multiply
    11,147.30x = 16,711.73 × 5,221.26
  4. Step 4: Simplify right side
    11,147.30x = 87,256,261.27
  5. Step 5: Solve for x
    x = 87,256,261.27/11,147.30
  6. Step 6: Final answer
    x = 7,827.57

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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.