Home / 11,285.10-16,929.27-3,887.58

Finding the Fourth Proportional to 11,285.10, 16,929.27 and 3,887.58

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Solution

The fourth proportional to 11,285.10, 16,929.27 and 3,887.58 is: 5,831.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,285.10 : 16,929.27 = 3,887.58 : x
  2. Step 2: Convert to fraction form
    11,285.10/16,929.27 = 3,887.58/x
  3. Step 3: Cross multiply
    11,285.10x = 16,929.27 × 3,887.58
  4. Step 4: Simplify right side
    11,285.10x = 65,813,891.47
  5. Step 5: Solve for x
    x = 65,813,891.47/11,285.10
  6. Step 6: Final answer
    x = 5,831.93

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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.