Home / 11,021.40-16,534.60-3,625.92

Finding the Fourth Proportional to 11,021.40, 16,534.60 and 3,625.92

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Solution

The fourth proportional to 11,021.40, 16,534.60 and 3,625.92 is: 5,439.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,021.40 : 16,534.60 = 3,625.92 : x
  2. Step 2: Convert to fraction form
    11,021.40/16,534.60 = 3,625.92/x
  3. Step 3: Cross multiply
    11,021.40x = 16,534.60 × 3,625.92
  4. Step 4: Simplify right side
    11,021.40x = 59,953,136.83
  5. Step 5: Solve for x
    x = 59,953,136.83/11,021.40
  6. Step 6: Final answer
    x = 5,439.70

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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.