Home / 11,021.57-15,209.46-6,305.54

Finding the Fourth Proportional to 11,021.57, 15,209.46 and 6,305.54

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Solution

The fourth proportional to 11,021.57, 15,209.46 and 6,305.54 is: 8,701.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,021.57 : 15,209.46 = 6,305.54 : x
  2. Step 2: Convert to fraction form
    11,021.57/15,209.46 = 6,305.54/x
  3. Step 3: Cross multiply
    11,021.57x = 15,209.46 × 6,305.54
  4. Step 4: Simplify right side
    11,021.57x = 95,903,896.43
  5. Step 5: Solve for x
    x = 95,903,896.43/11,021.57
  6. Step 6: Final answer
    x = 8,701.48

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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.