Home / 11,320.32-16,974.30-3,924.16

Finding the Fourth Proportional to 11,320.32, 16,974.30 and 3,924.16

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Solution

The fourth proportional to 11,320.32, 16,974.30 and 3,924.16 is: 5,884.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,320.32 : 16,974.30 = 3,924.16 : x
  2. Step 2: Convert to fraction form
    11,320.32/16,974.30 = 3,924.16/x
  3. Step 3: Cross multiply
    11,320.32x = 16,974.30 × 3,924.16
  4. Step 4: Simplify right side
    11,320.32x = 66,609,869.09
  5. Step 5: Solve for x
    x = 66,609,869.09/11,320.32
  6. Step 6: Final answer
    x = 5,884.10

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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.