Home / 11,400.78-17,090.24-3,604.26

Finding the Fourth Proportional to 11,400.78, 17,090.24 and 3,604.26

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Solution

The fourth proportional to 11,400.78, 17,090.24 and 3,604.26 is: 5,402.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,400.78 : 17,090.24 = 3,604.26 : x
  2. Step 2: Convert to fraction form
    11,400.78/17,090.24 = 3,604.26/x
  3. Step 3: Cross multiply
    11,400.78x = 17,090.24 × 3,604.26
  4. Step 4: Simplify right side
    11,400.78x = 61,597,650.40
  5. Step 5: Solve for x
    x = 61,597,650.40/11,400.78
  6. Step 6: Final answer
    x = 5,402.93

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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.