Home / 13,971.33-20,961.27-5,649.80

Finding the Fourth Proportional to 13,971.33, 20,961.27 and 5,649.80

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Solution

The fourth proportional to 13,971.33, 20,961.27 and 5,649.80 is: 8,476.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,971.33 : 20,961.27 = 5,649.80 : x
  2. Step 2: Convert to fraction form
    13,971.33/20,961.27 = 5,649.80/x
  3. Step 3: Cross multiply
    13,971.33x = 20,961.27 × 5,649.80
  4. Step 4: Simplify right side
    13,971.33x = 118,426,878.44
  5. Step 5: Solve for x
    x = 118,426,878.44/13,971.33
  6. Step 6: Final answer
    x = 8,476.42

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1.5x scale

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.