Home / 21,393.25-29,522.16-11,832.89

Finding the Fourth Proportional to 21,393.25, 29,522.16 and 11,832.89

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Solution

The fourth proportional to 21,393.25, 29,522.16 and 11,832.89 is: 16,329.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,393.25 : 29,522.16 = 11,832.89 : x
  2. Step 2: Convert to fraction form
    21,393.25/29,522.16 = 11,832.89/x
  3. Step 3: Cross multiply
    21,393.25x = 29,522.16 × 11,832.89
  4. Step 4: Simplify right side
    21,393.25x = 349,332,471.84
  5. Step 5: Solve for x
    x = 349,332,471.84/21,393.25
  6. Step 6: Final answer
    x = 16,329.10

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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.