Home / 11,314.83-15,613.12-6,277.85

Finding the Fourth Proportional to 11,314.83, 15,613.12 and 6,277.85

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Solution

The fourth proportional to 11,314.83, 15,613.12 and 6,277.85 is: 8,662.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,314.83 : 15,613.12 = 6,277.85 : x
  2. Step 2: Convert to fraction form
    11,314.83/15,613.12 = 6,277.85/x
  3. Step 3: Cross multiply
    11,314.83x = 15,613.12 × 6,277.85
  4. Step 4: Simplify right side
    11,314.83x = 98,016,813.72
  5. Step 5: Solve for x
    x = 98,016,813.72/11,314.83
  6. Step 6: Final answer
    x = 8,662.68

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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.