Home / 11,944.59-16,483.53-6,639.90

Finding the Fourth Proportional to 11,944.59, 16,483.53 and 6,639.90

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Solution

The fourth proportional to 11,944.59, 16,483.53 and 6,639.90 is: 9,163.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,944.59 : 16,483.53 = 6,639.90 : x
  2. Step 2: Convert to fraction form
    11,944.59/16,483.53 = 6,639.90/x
  3. Step 3: Cross multiply
    11,944.59x = 16,483.53 × 6,639.90
  4. Step 4: Simplify right side
    11,944.59x = 109,448,990.85
  5. Step 5: Solve for x
    x = 109,448,990.85/11,944.59
  6. Step 6: Final answer
    x = 9,163.06

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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.