Home / 9,186.11-13,778.43-2,944.45

Finding the Fourth Proportional to 9,186.11, 13,778.43 and 2,944.45

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Solution

The fourth proportional to 9,186.11, 13,778.43 and 2,944.45 is: 4,416.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,186.11 : 13,778.43 = 2,944.45 : x
  2. Step 2: Convert to fraction form
    9,186.11/13,778.43 = 2,944.45/x
  3. Step 3: Cross multiply
    9,186.11x = 13,778.43 × 2,944.45
  4. Step 4: Simplify right side
    9,186.11x = 40,569,863.77
  5. Step 5: Solve for x
    x = 40,569,863.77/9,186.11
  6. Step 6: Final answer
    x = 4,416.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.