Home / 11,358.33-15,673.41-8,375.78

Finding the Fourth Proportional to 11,358.33, 15,673.41 and 8,375.78

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Solution

The fourth proportional to 11,358.33, 15,673.41 and 8,375.78 is: 11,557.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,358.33 : 15,673.41 = 8,375.78 : x
  2. Step 2: Convert to fraction form
    11,358.33/15,673.41 = 8,375.78/x
  3. Step 3: Cross multiply
    11,358.33x = 15,673.41 × 8,375.78
  4. Step 4: Simplify right side
    11,358.33x = 131,276,955.64
  5. Step 5: Solve for x
    x = 131,276,955.64/11,358.33
  6. Step 6: Final answer
    x = 11,557.77

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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.