Home / 11,923.28-16,455.60-6,887.51

Finding the Fourth Proportional to 11,923.28, 16,455.60 and 6,887.51

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Solution

The fourth proportional to 11,923.28, 16,455.60 and 6,887.51 is: 9,505.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,923.28 : 16,455.60 = 6,887.51 : x
  2. Step 2: Convert to fraction form
    11,923.28/16,455.60 = 6,887.51/x
  3. Step 3: Cross multiply
    11,923.28x = 16,455.60 × 6,887.51
  4. Step 4: Simplify right side
    11,923.28x = 113,338,027.28
  5. Step 5: Solve for x
    x = 113,338,027.28/11,923.28
  6. Step 6: Final answer
    x = 9,505.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.