Home / 21,509.82-32,221.53-9,806.94

Finding the Fourth Proportional to 21,509.82, 32,221.53 and 9,806.94

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Solution

The fourth proportional to 21,509.82, 32,221.53 and 9,806.94 is: 14,690.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,509.82 : 32,221.53 = 9,806.94 : x
  2. Step 2: Convert to fraction form
    21,509.82/32,221.53 = 9,806.94/x
  3. Step 3: Cross multiply
    21,509.82x = 32,221.53 × 9,806.94
  4. Step 4: Simplify right side
    21,509.82x = 315,994,611.42
  5. Step 5: Solve for x
    x = 315,994,611.42/21,509.82
  6. Step 6: Final answer
    x = 14,690.71

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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.