Home / 12,844.40-19,252.20-5,447.60

Finding the Fourth Proportional to 12,844.40, 19,252.20 and 5,447.60

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Solution

The fourth proportional to 12,844.40, 19,252.20 and 5,447.60 is: 8,165.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,844.40 : 19,252.20 = 5,447.60 : x
  2. Step 2: Convert to fraction form
    12,844.40/19,252.20 = 5,447.60/x
  3. Step 3: Cross multiply
    12,844.40x = 19,252.20 × 5,447.60
  4. Step 4: Simplify right side
    12,844.40x = 104,878,284.72
  5. Step 5: Solve for x
    x = 104,878,284.72/12,844.40
  6. Step 6: Final answer
    x = 8,165.29

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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.