Home / 12,849.82-19,276.26-5,453.30

Finding the Fourth Proportional to 12,849.82, 19,276.26 and 5,453.30

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Solution

The fourth proportional to 12,849.82, 19,276.26 and 5,453.30 is: 8,180.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,849.82 : 19,276.26 = 5,453.30 : x
  2. Step 2: Convert to fraction form
    12,849.82/19,276.26 = 5,453.30/x
  3. Step 3: Cross multiply
    12,849.82x = 19,276.26 × 5,453.30
  4. Step 4: Simplify right side
    12,849.82x = 105,119,228.66
  5. Step 5: Solve for x
    x = 105,119,228.66/12,849.82
  6. Step 6: Final answer
    x = 8,180.60

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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.