Home / 21,596.49-32,409.32-8,447.22

Finding the Fourth Proportional to 21,596.49, 32,409.32 and 8,447.22

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Solution

The fourth proportional to 21,596.49, 32,409.32 and 8,447.22 is: 12,676.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,596.49 : 32,409.32 = 8,447.22 : x
  2. Step 2: Convert to fraction form
    21,596.49/32,409.32 = 8,447.22/x
  3. Step 3: Cross multiply
    21,596.49x = 32,409.32 × 8,447.22
  4. Step 4: Simplify right side
    21,596.49x = 273,768,613.85
  5. Step 5: Solve for x
    x = 273,768,613.85/21,596.49
  6. Step 6: Final answer
    x = 12,676.53

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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.