Home / 9,171.24-12,666.69-6,181.94

Finding the Fourth Proportional to 9,171.24, 12,666.69 and 6,181.94

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Solution

The fourth proportional to 9,171.24, 12,666.69 and 6,181.94 is: 8,538.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,171.24 : 12,666.69 = 6,181.94 : x
  2. Step 2: Convert to fraction form
    9,171.24/12,666.69 = 6,181.94/x
  3. Step 3: Cross multiply
    9,171.24x = 12,666.69 × 6,181.94
  4. Step 4: Simplify right side
    9,171.24x = 78,304,654.25
  5. Step 5: Solve for x
    x = 78,304,654.25/9,171.24
  6. Step 6: Final answer
    x = 8,538.07

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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.