Home / 11,691.04-16,134.64-6,654.18

Finding the Fourth Proportional to 11,691.04, 16,134.64 and 6,654.18

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Solution

The fourth proportional to 11,691.04, 16,134.64 and 6,654.18 is: 9,183.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,691.04 : 16,134.64 = 6,654.18 : x
  2. Step 2: Convert to fraction form
    11,691.04/16,134.64 = 6,654.18/x
  3. Step 3: Cross multiply
    11,691.04x = 16,134.64 × 6,654.18
  4. Step 4: Simplify right side
    11,691.04x = 107,362,798.80
  5. Step 5: Solve for x
    x = 107,362,798.80/11,691.04
  6. Step 6: Final answer
    x = 9,183.34

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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.