Home / 16,620.36-24,930.12-6,757.20

Finding the Fourth Proportional to 16,620.36, 24,930.12 and 6,757.20

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Solution

The fourth proportional to 16,620.36, 24,930.12 and 6,757.20 is: 10,135.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,620.36 : 24,930.12 = 6,757.20 : x
  2. Step 2: Convert to fraction form
    16,620.36/24,930.12 = 6,757.20/x
  3. Step 3: Cross multiply
    16,620.36x = 24,930.12 × 6,757.20
  4. Step 4: Simplify right side
    16,620.36x = 168,457,806.86
  5. Step 5: Solve for x
    x = 168,457,806.86/16,620.36
  6. Step 6: Final answer
    x = 10,135.63

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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.