Home / 12,849.60-19,252.80-8,464.80

Finding the Fourth Proportional to 12,849.60, 19,252.80 and 8,464.80

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Solution

The fourth proportional to 12,849.60, 19,252.80 and 8,464.80 is: 12,682.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,849.60 : 19,252.80 = 8,464.80 : x
  2. Step 2: Convert to fraction form
    12,849.60/19,252.80 = 8,464.80/x
  3. Step 3: Cross multiply
    12,849.60x = 19,252.80 × 8,464.80
  4. Step 4: Simplify right side
    12,849.60x = 162,971,101.44
  5. Step 5: Solve for x
    x = 162,971,101.44/12,849.60
  6. Step 6: Final answer
    x = 12,682.97

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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.