Home / 11,649.36-17,472.29-4,253.87

Finding the Fourth Proportional to 11,649.36, 17,472.29 and 4,253.87

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Solution

The fourth proportional to 11,649.36, 17,472.29 and 4,253.87 is: 6,380.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,649.36 : 17,472.29 = 4,253.87 : x
  2. Step 2: Convert to fraction form
    11,649.36/17,472.29 = 4,253.87/x
  3. Step 3: Cross multiply
    11,649.36x = 17,472.29 × 4,253.87
  4. Step 4: Simplify right side
    11,649.36x = 74,324,741.63
  5. Step 5: Solve for x
    x = 74,324,741.63/11,649.36
  6. Step 6: Final answer
    x = 6,380.16

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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.