Home / 13,648.62-20,468.56-5,326.60

Finding the Fourth Proportional to 13,648.62, 20,468.56 and 5,326.60

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Solution

The fourth proportional to 13,648.62, 20,468.56 and 5,326.60 is: 7,988.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,648.62 : 20,468.56 = 5,326.60 : x
  2. Step 2: Convert to fraction form
    13,648.62/20,468.56 = 5,326.60/x
  3. Step 3: Cross multiply
    13,648.62x = 20,468.56 × 5,326.60
  4. Step 4: Simplify right side
    13,648.62x = 109,027,831.70
  5. Step 5: Solve for x
    x = 109,027,831.70/13,648.62
  6. Step 6: Final answer
    x = 7,988.19

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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.