Home / 21,443.59-29,593.34-11,883.28

Finding the Fourth Proportional to 21,443.59, 29,593.34 and 11,883.28

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Solution

The fourth proportional to 21,443.59, 29,593.34 and 11,883.28 is: 16,399.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,443.59 : 29,593.34 = 11,883.28 : x
  2. Step 2: Convert to fraction form
    21,443.59/29,593.34 = 11,883.28/x
  3. Step 3: Cross multiply
    21,443.59x = 29,593.34 × 11,883.28
  4. Step 4: Simplify right side
    21,443.59x = 351,665,811.96
  5. Step 5: Solve for x
    x = 351,665,811.96/21,443.59
  6. Step 6: Final answer
    x = 16,399.58

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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.