Home / 21,676.92-32,499.84-9,190.08

Finding the Fourth Proportional to 21,676.92, 32,499.84 and 9,190.08

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Solution

The fourth proportional to 21,676.92, 32,499.84 and 9,190.08 is: 13,778.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,676.92 : 32,499.84 = 9,190.08 : x
  2. Step 2: Convert to fraction form
    21,676.92/32,499.84 = 9,190.08/x
  3. Step 3: Cross multiply
    21,676.92x = 32,499.84 × 9,190.08
  4. Step 4: Simplify right side
    21,676.92x = 298,676,129.59
  5. Step 5: Solve for x
    x = 298,676,129.59/21,676.92
  6. Step 6: Final answer
    x = 13,778.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.