Home / 11,021.80-16,530.99-3,625.64

Finding the Fourth Proportional to 11,021.80, 16,530.99 and 3,625.64

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Solution

The fourth proportional to 11,021.80, 16,530.99 and 3,625.64 is: 5,437.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,021.80 : 16,530.99 = 3,625.64 : x
  2. Step 2: Convert to fraction form
    11,021.80/16,530.99 = 3,625.64/x
  3. Step 3: Cross multiply
    11,021.80x = 16,530.99 × 3,625.64
  4. Step 4: Simplify right side
    11,021.80x = 59,935,337.83
  5. Step 5: Solve for x
    x = 59,935,337.83/11,021.80
  6. Step 6: Final answer
    x = 5,437.89

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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.