Home / 8,436.15-11,645.17-7,550.42

Finding the Fourth Proportional to 8,436.15, 11,645.17 and 7,550.42

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Solution

The fourth proportional to 8,436.15, 11,645.17 and 7,550.42 is: 10,422.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,436.15 : 11,645.17 = 7,550.42 : x
  2. Step 2: Convert to fraction form
    8,436.15/11,645.17 = 7,550.42/x
  3. Step 3: Cross multiply
    8,436.15x = 11,645.17 × 7,550.42
  4. Step 4: Simplify right side
    8,436.15x = 87,925,847.37
  5. Step 5: Solve for x
    x = 87,925,847.37/8,436.15
  6. Step 6: Final answer
    x = 10,422.51

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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.