Home / 11,944.32-16,484.50-6,639.64

Finding the Fourth Proportional to 11,944.32, 16,484.50 and 6,639.64

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Solution

The fourth proportional to 11,944.32, 16,484.50 and 6,639.64 is: 9,163.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,944.32 : 16,484.50 = 6,639.64 : x
  2. Step 2: Convert to fraction form
    11,944.32/16,484.50 = 6,639.64/x
  3. Step 3: Cross multiply
    11,944.32x = 16,484.50 × 6,639.64
  4. Step 4: Simplify right side
    11,944.32x = 109,451,145.58
  5. Step 5: Solve for x
    x = 109,451,145.58/11,944.32
  6. Step 6: Final answer
    x = 9,163.45

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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.