Home / 13,025.28-19,540.80-3,792

Finding the Fourth Proportional to 13,025.28, 19,540.80 and 3,792

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Solution

The fourth proportional to 13,025.28, 19,540.80 and 3,792 is: 5,688.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,025.28 : 19,540.80 = 3,792 : x
  2. Step 2: Convert to fraction form
    13,025.28/19,540.80 = 3,792/x
  3. Step 3: Cross multiply
    13,025.28x = 19,540.80 × 3,792
  4. Step 4: Simplify right side
    13,025.28x = 74,098,713.60
  5. Step 5: Solve for x
    x = 74,098,713.60/13,025.28
  6. Step 6: Final answer
    x = 5,688.84

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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.