Home / 16,504.56-24,703.32-12,121.20

Finding the Fourth Proportional to 16,504.56, 24,703.32 and 12,121.20

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Solution

The fourth proportional to 16,504.56, 24,703.32 and 12,121.20 is: 18,142.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,504.56 : 24,703.32 = 12,121.20 : x
  2. Step 2: Convert to fraction form
    16,504.56/24,703.32 = 12,121.20/x
  3. Step 3: Cross multiply
    16,504.56x = 24,703.32 × 12,121.20
  4. Step 4: Simplify right side
    16,504.56x = 299,433,882.38
  5. Step 5: Solve for x
    x = 299,433,882.38/16,504.56
  6. Step 6: Final answer
    x = 18,142.49

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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.