Home / 11,613.16-16,025.68-6,307.84

Finding the Fourth Proportional to 11,613.16, 16,025.68 and 6,307.84

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Solution

The fourth proportional to 11,613.16, 16,025.68 and 6,307.84 is: 8,704.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,613.16 : 16,025.68 = 6,307.84 : x
  2. Step 2: Convert to fraction form
    11,613.16/16,025.68 = 6,307.84/x
  3. Step 3: Cross multiply
    11,613.16x = 16,025.68 × 6,307.84
  4. Step 4: Simplify right side
    11,613.16x = 101,087,425.33
  5. Step 5: Solve for x
    x = 101,087,425.33/11,613.16
  6. Step 6: Final answer
    x = 8,704.56

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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.