Home / 11,944.79-16,483.73-6,639.57

Finding the Fourth Proportional to 11,944.79, 16,483.73 and 6,639.57

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Solution

The fourth proportional to 11,944.79, 16,483.73 and 6,639.57 is: 9,162.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,944.79 : 16,483.73 = 6,639.57 : x
  2. Step 2: Convert to fraction form
    11,944.79/16,483.73 = 6,639.57/x
  3. Step 3: Cross multiply
    11,944.79x = 16,483.73 × 6,639.57
  4. Step 4: Simplify right side
    11,944.79x = 109,444,846.00
  5. Step 5: Solve for x
    x = 109,444,846.00/11,944.79
  6. Step 6: Final answer
    x = 9,162.56

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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.