Home / 12,450.24-17,181.62-6,785.20

Finding the Fourth Proportional to 12,450.24, 17,181.62 and 6,785.20

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Solution

The fourth proportional to 12,450.24, 17,181.62 and 6,785.20 is: 9,363.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,450.24 : 17,181.62 = 6,785.20 : x
  2. Step 2: Convert to fraction form
    12,450.24/17,181.62 = 6,785.20/x
  3. Step 3: Cross multiply
    12,450.24x = 17,181.62 × 6,785.20
  4. Step 4: Simplify right side
    12,450.24x = 116,580,741.02
  5. Step 5: Solve for x
    x = 116,580,741.02/12,450.24
  6. Step 6: Final answer
    x = 9,363.73

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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.