Home / 11,021.30-16,533.04-3,622.76

Finding the Fourth Proportional to 11,021.30, 16,533.04 and 3,622.76

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Solution

The fourth proportional to 11,021.30, 16,533.04 and 3,622.76 is: 5,434.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,021.30 : 16,533.04 = 3,622.76 : x
  2. Step 2: Convert to fraction form
    11,021.30/16,533.04 = 3,622.76/x
  3. Step 3: Cross multiply
    11,021.30x = 16,533.04 × 3,622.76
  4. Step 4: Simplify right side
    11,021.30x = 59,895,235.99
  5. Step 5: Solve for x
    x = 59,895,235.99/11,021.30
  6. Step 6: Final answer
    x = 5,434.50

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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.