Home / 11,285.07-16,929.08-3,887.54

Finding the Fourth Proportional to 11,285.07, 16,929.08 and 3,887.54

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Solution

The fourth proportional to 11,285.07, 16,929.08 and 3,887.54 is: 5,831.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,285.07 : 16,929.08 = 3,887.54 : x
  2. Step 2: Convert to fraction form
    11,285.07/16,929.08 = 3,887.54/x
  3. Step 3: Cross multiply
    11,285.07x = 16,929.08 × 3,887.54
  4. Step 4: Simplify right side
    11,285.07x = 65,812,464.22
  5. Step 5: Solve for x
    x = 65,812,464.22/11,285.07
  6. Step 6: Final answer
    x = 5,831.82

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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.