Home / 21,600.05-32,386.68-8,436.96

Finding the Fourth Proportional to 21,600.05, 32,386.68 and 8,436.96

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Solution

The fourth proportional to 21,600.05, 32,386.68 and 8,436.96 is: 12,650.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,600.05 : 32,386.68 = 8,436.96 : x
  2. Step 2: Convert to fraction form
    21,600.05/32,386.68 = 8,436.96/x
  3. Step 3: Cross multiply
    21,600.05x = 32,386.68 × 8,436.96
  4. Step 4: Simplify right side
    21,600.05x = 273,245,123.69
  5. Step 5: Solve for x
    x = 273,245,123.69/21,600.05
  6. Step 6: Final answer
    x = 12,650.21

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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.