Home / 11,966.42-16,513.37-6,661.12

Finding the Fourth Proportional to 11,966.42, 16,513.37 and 6,661.12

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Solution

The fourth proportional to 11,966.42, 16,513.37 and 6,661.12 is: 9,192.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,966.42 : 16,513.37 = 6,661.12 : x
  2. Step 2: Convert to fraction form
    11,966.42/16,513.37 = 6,661.12/x
  3. Step 3: Cross multiply
    11,966.42x = 16,513.37 × 6,661.12
  4. Step 4: Simplify right side
    11,966.42x = 109,997,505.87
  5. Step 5: Solve for x
    x = 109,997,505.87/11,966.42
  6. Step 6: Final answer
    x = 9,192.19

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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.