Home / 11,202.40-15,458.70-6,166.43

Finding the Fourth Proportional to 11,202.40, 15,458.70 and 6,166.43

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Solution

The fourth proportional to 11,202.40, 15,458.70 and 6,166.43 is: 8,509.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,202.40 : 15,458.70 = 6,166.43 : x
  2. Step 2: Convert to fraction form
    11,202.40/15,458.70 = 6,166.43/x
  3. Step 3: Cross multiply
    11,202.40x = 15,458.70 × 6,166.43
  4. Step 4: Simplify right side
    11,202.40x = 95,324,960.56
  5. Step 5: Solve for x
    x = 95,324,960.56/11,202.40
  6. Step 6: Final answer
    x = 8,509.33

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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.