Home / 21,443.67-29,591.54-11,883.96

Finding the Fourth Proportional to 21,443.67, 29,591.54 and 11,883.96

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Solution

The fourth proportional to 21,443.67, 29,591.54 and 11,883.96 is: 16,399.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,443.67 : 29,591.54 = 11,883.96 : x
  2. Step 2: Convert to fraction form
    21,443.67/29,591.54 = 11,883.96/x
  3. Step 3: Cross multiply
    21,443.67x = 29,591.54 × 11,883.96
  4. Step 4: Simplify right side
    21,443.67x = 351,664,618.28
  5. Step 5: Solve for x
    x = 351,664,618.28/21,443.67
  6. Step 6: Final answer
    x = 16,399.46

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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.