Home / 11,391.63-17,090.48-3,600.44

Finding the Fourth Proportional to 11,391.63, 17,090.48 and 3,600.44

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Solution

The fourth proportional to 11,391.63, 17,090.48 and 3,600.44 is: 5,401.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,391.63 : 17,090.48 = 3,600.44 : x
  2. Step 2: Convert to fraction form
    11,391.63/17,090.48 = 3,600.44/x
  3. Step 3: Cross multiply
    11,391.63x = 17,090.48 × 3,600.44
  4. Step 4: Simplify right side
    11,391.63x = 61,533,247.81
  5. Step 5: Solve for x
    x = 61,533,247.81/11,391.63
  6. Step 6: Final answer
    x = 5,401.62

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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.