Home / 15,441.52-21,294.48-11,896.96

Finding the Fourth Proportional to 15,441.52, 21,294.48 and 11,896.96

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Solution

The fourth proportional to 15,441.52, 21,294.48 and 11,896.96 is: 16,406.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,441.52 : 21,294.48 = 11,896.96 : x
  2. Step 2: Convert to fraction form
    15,441.52/21,294.48 = 11,896.96/x
  3. Step 3: Cross multiply
    15,441.52x = 21,294.48 × 11,896.96
  4. Step 4: Simplify right side
    15,441.52x = 253,339,576.78
  5. Step 5: Solve for x
    x = 253,339,576.78/15,441.52
  6. Step 6: Final answer
    x = 16,406.39

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Half scale
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Double scale
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Similar ratio
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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.