Home / 12,245.83-18,371.43-4,454.62

Finding the Fourth Proportional to 12,245.83, 18,371.43 and 4,454.62

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Solution

The fourth proportional to 12,245.83, 18,371.43 and 4,454.62 is: 6,682.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,245.83 : 18,371.43 = 4,454.62 : x
  2. Step 2: Convert to fraction form
    12,245.83/18,371.43 = 4,454.62/x
  3. Step 3: Cross multiply
    12,245.83x = 18,371.43 × 4,454.62
  4. Step 4: Simplify right side
    12,245.83x = 81,837,739.51
  5. Step 5: Solve for x
    x = 81,837,739.51/12,245.83
  6. Step 6: Final answer
    x = 6,682.91

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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.