Home / 11,711.73-17,570.40-3,392.32

Finding the Fourth Proportional to 11,711.73, 17,570.40 and 3,392.32

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Solution

The fourth proportional to 11,711.73, 17,570.40 and 3,392.32 is: 5,089.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,711.73 : 17,570.40 = 3,392.32 : x
  2. Step 2: Convert to fraction form
    11,711.73/17,570.40 = 3,392.32/x
  3. Step 3: Cross multiply
    11,711.73x = 17,570.40 × 3,392.32
  4. Step 4: Simplify right side
    11,711.73x = 59,604,414.71
  5. Step 5: Solve for x
    x = 59,604,414.71/11,711.73
  6. Step 6: Final answer
    x = 5,089.29

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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.