Home / 10,792.45-16,190.72-4,218.22

Finding the Fourth Proportional to 10,792.45, 16,190.72 and 4,218.22

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Solution

The fourth proportional to 10,792.45, 16,190.72 and 4,218.22 is: 6,328.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,792.45 : 16,190.72 = 4,218.22 : x
  2. Step 2: Convert to fraction form
    10,792.45/16,190.72 = 4,218.22/x
  3. Step 3: Cross multiply
    10,792.45x = 16,190.72 × 4,218.22
  4. Step 4: Simplify right side
    10,792.45x = 68,296,018.92
  5. Step 5: Solve for x
    x = 68,296,018.92/10,792.45
  6. Step 6: Final answer
    x = 6,328.13

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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.