Home / 11,687.66-16,127.52-6,907.04

Finding the Fourth Proportional to 11,687.66, 16,127.52 and 6,907.04

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Solution

The fourth proportional to 11,687.66, 16,127.52 and 6,907.04 is: 9,530.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,687.66 : 16,127.52 = 6,907.04 : x
  2. Step 2: Convert to fraction form
    11,687.66/16,127.52 = 6,907.04/x
  3. Step 3: Cross multiply
    11,687.66x = 16,127.52 × 6,907.04
  4. Step 4: Simplify right side
    11,687.66x = 111,393,425.74
  5. Step 5: Solve for x
    x = 111,393,425.74/11,687.66
  6. Step 6: Final answer
    x = 9,530.86

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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.