Home / 11,352.79-17,028.49-4,235.66

Finding the Fourth Proportional to 11,352.79, 17,028.49 and 4,235.66

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Solution

The fourth proportional to 11,352.79, 17,028.49 and 4,235.66 is: 6,353.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,352.79 : 17,028.49 = 4,235.66 : x
  2. Step 2: Convert to fraction form
    11,352.79/17,028.49 = 4,235.66/x
  3. Step 3: Cross multiply
    11,352.79x = 17,028.49 × 4,235.66
  4. Step 4: Simplify right side
    11,352.79x = 72,126,787.63
  5. Step 5: Solve for x
    x = 72,126,787.63/11,352.79
  6. Step 6: Final answer
    x = 6,353.22

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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.