Home / 16,406.69-22,621.48-11,375.24

Finding the Fourth Proportional to 16,406.69, 22,621.48 and 11,375.24

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Solution

The fourth proportional to 16,406.69, 22,621.48 and 11,375.24 is: 15,684.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,406.69 : 22,621.48 = 11,375.24 : x
  2. Step 2: Convert to fraction form
    16,406.69/22,621.48 = 11,375.24/x
  3. Step 3: Cross multiply
    16,406.69x = 22,621.48 × 11,375.24
  4. Step 4: Simplify right side
    16,406.69x = 257,324,622.61
  5. Step 5: Solve for x
    x = 257,324,622.61/16,406.69
  6. Step 6: Final answer
    x = 15,684.13

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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.