Home / 13,768.54-20,649.66-6,365.86

Finding the Fourth Proportional to 13,768.54, 20,649.66 and 6,365.86

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Solution

The fourth proportional to 13,768.54, 20,649.66 and 6,365.86 is: 9,547.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,768.54 : 20,649.66 = 6,365.86 : x
  2. Step 2: Convert to fraction form
    13,768.54/20,649.66 = 6,365.86/x
  3. Step 3: Cross multiply
    13,768.54x = 20,649.66 × 6,365.86
  4. Step 4: Simplify right side
    13,768.54x = 131,452,844.61
  5. Step 5: Solve for x
    x = 131,452,844.61/13,768.54
  6. Step 6: Final answer
    x = 9,547.33

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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.