Home / 12,845.52-19,275.84-5,449.44

Finding the Fourth Proportional to 12,845.52, 19,275.84 and 5,449.44

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Solution

The fourth proportional to 12,845.52, 19,275.84 and 5,449.44 is: 8,177.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,845.52 : 19,275.84 = 5,449.44 : x
  2. Step 2: Convert to fraction form
    12,845.52/19,275.84 = 5,449.44/x
  3. Step 3: Cross multiply
    12,845.52x = 19,275.84 × 5,449.44
  4. Step 4: Simplify right side
    12,845.52x = 105,042,533.53
  5. Step 5: Solve for x
    x = 105,042,533.53/12,845.52
  6. Step 6: Final answer
    x = 8,177.37

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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.