Home / 13,554.28-20,332.49-3,693.95

Finding the Fourth Proportional to 13,554.28, 20,332.49 and 3,693.95

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Solution

The fourth proportional to 13,554.28, 20,332.49 and 3,693.95 is: 5,541.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,554.28 : 20,332.49 = 3,693.95 : x
  2. Step 2: Convert to fraction form
    13,554.28/20,332.49 = 3,693.95/x
  3. Step 3: Cross multiply
    13,554.28x = 20,332.49 × 3,693.95
  4. Step 4: Simplify right side
    13,554.28x = 75,107,157.55
  5. Step 5: Solve for x
    x = 75,107,157.55/13,554.28
  6. Step 6: Final answer
    x = 5,541.21

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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.