Home / 16,121.10-24,178.86-4,431.54

Finding the Fourth Proportional to 16,121.10, 24,178.86 and 4,431.54

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Solution

The fourth proportional to 16,121.10, 24,178.86 and 4,431.54 is: 6,646.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,121.10 : 24,178.86 = 4,431.54 : x
  2. Step 2: Convert to fraction form
    16,121.10/24,178.86 = 4,431.54/x
  3. Step 3: Cross multiply
    16,121.10x = 24,178.86 × 4,431.54
  4. Step 4: Simplify right side
    16,121.10x = 107,149,585.24
  5. Step 5: Solve for x
    x = 107,149,585.24/16,121.10
  6. Step 6: Final answer
    x = 6,646.54

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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.