Home / 11,465.56-17,191.64-3,565.92

Finding the Fourth Proportional to 11,465.56, 17,191.64 and 3,565.92

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Solution

The fourth proportional to 11,465.56, 17,191.64 and 3,565.92 is: 5,346.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,465.56 : 17,191.64 = 3,565.92 : x
  2. Step 2: Convert to fraction form
    11,465.56/17,191.64 = 3,565.92/x
  3. Step 3: Cross multiply
    11,465.56x = 17,191.64 × 3,565.92
  4. Step 4: Simplify right side
    11,465.56x = 61,304,012.91
  5. Step 5: Solve for x
    x = 61,304,012.91/11,465.56
  6. Step 6: Final answer
    x = 5,346.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.