Home / 11,995.43-16,553.30-6,617.85

Finding the Fourth Proportional to 11,995.43, 16,553.30 and 6,617.85

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Solution

The fourth proportional to 11,995.43, 16,553.30 and 6,617.85 is: 9,132.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,995.43 : 16,553.30 = 6,617.85 : x
  2. Step 2: Convert to fraction form
    11,995.43/16,553.30 = 6,617.85/x
  3. Step 3: Cross multiply
    11,995.43x = 16,553.30 × 6,617.85
  4. Step 4: Simplify right side
    11,995.43x = 109,547,223.32
  5. Step 5: Solve for x
    x = 109,547,223.32/11,995.43
  6. Step 6: Final answer
    x = 9,132.42

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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.