Home / 13,092.28-19,639.80-4,328.80

Finding the Fourth Proportional to 13,092.28, 19,639.80 and 4,328.80

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Solution

The fourth proportional to 13,092.28, 19,639.80 and 4,328.80 is: 6,493.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,092.28 : 19,639.80 = 4,328.80 : x
  2. Step 2: Convert to fraction form
    13,092.28/19,639.80 = 4,328.80/x
  3. Step 3: Cross multiply
    13,092.28x = 19,639.80 × 4,328.80
  4. Step 4: Simplify right side
    13,092.28x = 85,016,766.24
  5. Step 5: Solve for x
    x = 85,016,766.24/13,092.28
  6. Step 6: Final answer
    x = 6,493.66

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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.