Home / 11,487.36-17,227.20-4,090.56

Finding the Fourth Proportional to 11,487.36, 17,227.20 and 4,090.56

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Solution

The fourth proportional to 11,487.36, 17,227.20 and 4,090.56 is: 6,134.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,487.36 : 17,227.20 = 4,090.56 : x
  2. Step 2: Convert to fraction form
    11,487.36/17,227.20 = 4,090.56/x
  3. Step 3: Cross multiply
    11,487.36x = 17,227.20 × 4,090.56
  4. Step 4: Simplify right side
    11,487.36x = 70,468,895.23
  5. Step 5: Solve for x
    x = 70,468,895.23/11,487.36
  6. Step 6: Final answer
    x = 6,134.47

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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.