Home / 11,730.20-16,186.80-6,694.28

Finding the Fourth Proportional to 11,730.20, 16,186.80 and 6,694.28

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Solution

The fourth proportional to 11,730.20, 16,186.80 and 6,694.28 is: 9,237.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,730.20 : 16,186.80 = 6,694.28 : x
  2. Step 2: Convert to fraction form
    11,730.20/16,186.80 = 6,694.28/x
  3. Step 3: Cross multiply
    11,730.20x = 16,186.80 × 6,694.28
  4. Step 4: Simplify right side
    11,730.20x = 108,358,971.50
  5. Step 5: Solve for x
    x = 108,358,971.50/11,730.20
  6. Step 6: Final answer
    x = 9,237.61

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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.