Home / 11,320.46-16,980.68-3,924.92

Finding the Fourth Proportional to 11,320.46, 16,980.68 and 3,924.92

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Solution

The fourth proportional to 11,320.46, 16,980.68 and 3,924.92 is: 5,887.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,320.46 : 16,980.68 = 3,924.92 : x
  2. Step 2: Convert to fraction form
    11,320.46/16,980.68 = 3,924.92/x
  3. Step 3: Cross multiply
    11,320.46x = 16,980.68 × 3,924.92
  4. Step 4: Simplify right side
    11,320.46x = 66,647,810.55
  5. Step 5: Solve for x
    x = 66,647,810.55/11,320.46
  6. Step 6: Final answer
    x = 5,887.38

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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.