Home / 16,105.07-22,213.75-15,563.18

Finding the Fourth Proportional to 16,105.07, 22,213.75 and 15,563.18

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Solution

The fourth proportional to 16,105.07, 22,213.75 and 15,563.18 is: 21,466.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,105.07 : 22,213.75 = 15,563.18 : x
  2. Step 2: Convert to fraction form
    16,105.07/22,213.75 = 15,563.18/x
  3. Step 3: Cross multiply
    16,105.07x = 22,213.75 × 15,563.18
  4. Step 4: Simplify right side
    16,105.07x = 345,716,589.73
  5. Step 5: Solve for x
    x = 345,716,589.73/16,105.07
  6. Step 6: Final answer
    x = 21,466.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.