Home / 12,843.48-19,246.28-5,825.64

Finding the Fourth Proportional to 12,843.48, 19,246.28 and 5,825.64

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Solution

The fourth proportional to 12,843.48, 19,246.28 and 5,825.64 is: 8,729.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,843.48 : 19,246.28 = 5,825.64 : x
  2. Step 2: Convert to fraction form
    12,843.48/19,246.28 = 5,825.64/x
  3. Step 3: Cross multiply
    12,843.48x = 19,246.28 × 5,825.64
  4. Step 4: Simplify right side
    12,843.48x = 112,121,869.49
  5. Step 5: Solve for x
    x = 112,121,869.49/12,843.48
  6. Step 6: Final answer
    x = 8,729.87

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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.