Home / 11,285.32-16,929.46-3,887.79

Finding the Fourth Proportional to 11,285.32, 16,929.46 and 3,887.79

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Solution

The fourth proportional to 11,285.32, 16,929.46 and 3,887.79 is: 5,832.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,285.32 : 16,929.46 = 3,887.79 : x
  2. Step 2: Convert to fraction form
    11,285.32/16,929.46 = 3,887.79/x
  3. Step 3: Cross multiply
    11,285.32x = 16,929.46 × 3,887.79
  4. Step 4: Simplify right side
    11,285.32x = 65,818,175.57
  5. Step 5: Solve for x
    x = 65,818,175.57/11,285.32
  6. Step 6: Final answer
    x = 5,832.20

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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.