Home / 11,979.09-16,534.76-6,944.54

Finding the Fourth Proportional to 11,979.09, 16,534.76 and 6,944.54

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Solution

The fourth proportional to 11,979.09, 16,534.76 and 6,944.54 is: 9,585.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,979.09 : 16,534.76 = 6,944.54 : x
  2. Step 2: Convert to fraction form
    11,979.09/16,534.76 = 6,944.54/x
  3. Step 3: Cross multiply
    11,979.09x = 16,534.76 × 6,944.54
  4. Step 4: Simplify right side
    11,979.09x = 114,826,184.81
  5. Step 5: Solve for x
    x = 114,826,184.81/11,979.09
  6. Step 6: Final answer
    x = 9,585.55

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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.