Home / 14,649.26-20,217.60-8,361.63

Finding the Fourth Proportional to 14,649.26, 20,217.60 and 8,361.63

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Solution

The fourth proportional to 14,649.26, 20,217.60 and 8,361.63 is: 11,539.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,649.26 : 20,217.60 = 8,361.63 : x
  2. Step 2: Convert to fraction form
    14,649.26/20,217.60 = 8,361.63/x
  3. Step 3: Cross multiply
    14,649.26x = 20,217.60 × 8,361.63
  4. Step 4: Simplify right side
    14,649.26x = 169,052,090.69
  5. Step 5: Solve for x
    x = 169,052,090.69/14,649.26
  6. Step 6: Final answer
    x = 11,539.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.