Home / 11,506.74-15,879.69-6,790.92

Finding the Fourth Proportional to 11,506.74, 15,879.69 and 6,790.92

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Solution

The fourth proportional to 11,506.74, 15,879.69 and 6,790.92 is: 9,371.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,506.74 : 15,879.69 = 6,790.92 : x
  2. Step 2: Convert to fraction form
    11,506.74/15,879.69 = 6,790.92/x
  3. Step 3: Cross multiply
    11,506.74x = 15,879.69 × 6,790.92
  4. Step 4: Simplify right side
    11,506.74x = 107,837,704.41
  5. Step 5: Solve for x
    x = 107,837,704.41/11,506.74
  6. Step 6: Final answer
    x = 9,371.70

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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.