Home / 13,468.28-20,200.89-5,148.11

Finding the Fourth Proportional to 13,468.28, 20,200.89 and 5,148.11

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Solution

The fourth proportional to 13,468.28, 20,200.89 and 5,148.11 is: 7,721.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,468.28 : 20,200.89 = 5,148.11 : x
  2. Step 2: Convert to fraction form
    13,468.28/20,200.89 = 5,148.11/x
  3. Step 3: Cross multiply
    13,468.28x = 20,200.89 × 5,148.11
  4. Step 4: Simplify right side
    13,468.28x = 103,996,360.00
  5. Step 5: Solve for x
    x = 103,996,360.00/13,468.28
  6. Step 6: Final answer
    x = 7,721.58

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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.