Home / 21,645.82-32,471.52-7,604.84

Finding the Fourth Proportional to 21,645.82, 32,471.52 and 7,604.84

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Solution

The fourth proportional to 21,645.82, 32,471.52 and 7,604.84 is: 11,408.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,645.82 : 32,471.52 = 7,604.84 : x
  2. Step 2: Convert to fraction form
    21,645.82/32,471.52 = 7,604.84/x
  3. Step 3: Cross multiply
    21,645.82x = 32,471.52 × 7,604.84
  4. Step 4: Simplify right side
    21,645.82x = 246,940,714.16
  5. Step 5: Solve for x
    x = 246,940,714.16/21,645.82
  6. Step 6: Final answer
    x = 11,408.24

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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.