Home / 21,436.92-32,162.94-6,649.56

Finding the Fourth Proportional to 21,436.92, 32,162.94 and 6,649.56

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Solution

The fourth proportional to 21,436.92, 32,162.94 and 6,649.56 is: 9,976.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,436.92 : 32,162.94 = 6,649.56 : x
  2. Step 2: Convert to fraction form
    21,436.92/32,162.94 = 6,649.56/x
  3. Step 3: Cross multiply
    21,436.92x = 32,162.94 × 6,649.56
  4. Step 4: Simplify right side
    21,436.92x = 213,869,399.31
  5. Step 5: Solve for x
    x = 213,869,399.31/21,436.92
  6. Step 6: Final answer
    x = 9,976.69

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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.