Home / 11,420.34-17,131.03-4,024.87

Finding the Fourth Proportional to 11,420.34, 17,131.03 and 4,024.87

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Solution

The fourth proportional to 11,420.34, 17,131.03 and 4,024.87 is: 6,037.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,420.34 : 17,131.03 = 4,024.87 : x
  2. Step 2: Convert to fraction form
    11,420.34/17,131.03 = 4,024.87/x
  3. Step 3: Cross multiply
    11,420.34x = 17,131.03 × 4,024.87
  4. Step 4: Simplify right side
    11,420.34x = 68,950,115.83
  5. Step 5: Solve for x
    x = 68,950,115.83/11,420.34
  6. Step 6: Final answer
    x = 6,037.49

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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.