Home / 18,131.21-27,195.69-5,649.46

Finding the Fourth Proportional to 18,131.21, 27,195.69 and 5,649.46

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Solution

The fourth proportional to 18,131.21, 27,195.69 and 5,649.46 is: 8,473.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,131.21 : 27,195.69 = 5,649.46 : x
  2. Step 2: Convert to fraction form
    18,131.21/27,195.69 = 5,649.46/x
  3. Step 3: Cross multiply
    18,131.21x = 27,195.69 × 5,649.46
  4. Step 4: Simplify right side
    18,131.21x = 153,640,916.02
  5. Step 5: Solve for x
    x = 153,640,916.02/18,131.21
  6. Step 6: Final answer
    x = 8,473.84

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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.