Home / 21,593.92-29,798.46-12,161.88

Finding the Fourth Proportional to 21,593.92, 29,798.46 and 12,161.88

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Solution

The fourth proportional to 21,593.92, 29,798.46 and 12,161.88 is: 16,782.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,593.92 : 29,798.46 = 12,161.88 : x
  2. Step 2: Convert to fraction form
    21,593.92/29,798.46 = 12,161.88/x
  3. Step 3: Cross multiply
    21,593.92x = 29,798.46 × 12,161.88
  4. Step 4: Simplify right side
    21,593.92x = 362,405,294.70
  5. Step 5: Solve for x
    x = 362,405,294.70/21,593.92
  6. Step 6: Final answer
    x = 16,782.75

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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.