Home / 21,544.88-32,325.60-8,406.56

Finding the Fourth Proportional to 21,544.88, 32,325.60 and 8,406.56

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Solution

The fourth proportional to 21,544.88, 32,325.60 and 8,406.56 is: 12,613.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,544.88 : 32,325.60 = 8,406.56 : x
  2. Step 2: Convert to fraction form
    21,544.88/32,325.60 = 8,406.56/x
  3. Step 3: Cross multiply
    21,544.88x = 32,325.60 × 8,406.56
  4. Step 4: Simplify right side
    21,544.88x = 271,747,095.94
  5. Step 5: Solve for x
    x = 271,747,095.94/21,544.88
  6. Step 6: Final answer
    x = 12,613.07

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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.