Home / 11,372.72-17,059.40-3,876.16

Finding the Fourth Proportional to 11,372.72, 17,059.40 and 3,876.16

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Solution

The fourth proportional to 11,372.72, 17,059.40 and 3,876.16 is: 5,814.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,372.72 : 17,059.40 = 3,876.16 : x
  2. Step 2: Convert to fraction form
    11,372.72/17,059.40 = 3,876.16/x
  3. Step 3: Cross multiply
    11,372.72x = 17,059.40 × 3,876.16
  4. Step 4: Simplify right side
    11,372.72x = 66,124,963.90
  5. Step 5: Solve for x
    x = 66,124,963.90/11,372.72
  6. Step 6: Final answer
    x = 5,814.35

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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.