Home / 10,917.09-15,067.39-6,441.94

Finding the Fourth Proportional to 10,917.09, 15,067.39 and 6,441.94

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Solution

The fourth proportional to 10,917.09, 15,067.39 and 6,441.94 is: 8,890.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,917.09 : 15,067.39 = 6,441.94 : x
  2. Step 2: Convert to fraction form
    10,917.09/15,067.39 = 6,441.94/x
  3. Step 3: Cross multiply
    10,917.09x = 15,067.39 × 6,441.94
  4. Step 4: Simplify right side
    10,917.09x = 97,063,222.34
  5. Step 5: Solve for x
    x = 97,063,222.34/10,917.09
  6. Step 6: Final answer
    x = 8,890.94

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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.