Home / 11,934.43-16,477.08-7,687.12

Finding the Fourth Proportional to 11,934.43, 16,477.08 and 7,687.12

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Solution

The fourth proportional to 11,934.43, 16,477.08 and 7,687.12 is: 10,613.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,934.43 : 16,477.08 = 7,687.12 : x
  2. Step 2: Convert to fraction form
    11,934.43/16,477.08 = 7,687.12/x
  3. Step 3: Cross multiply
    11,934.43x = 16,477.08 × 7,687.12
  4. Step 4: Simplify right side
    11,934.43x = 126,661,291.21
  5. Step 5: Solve for x
    x = 126,661,291.21/11,934.43
  6. Step 6: Final answer
    x = 10,613.10

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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.