Home / 12,868.12-19,296.24-5,468.64

Finding the Fourth Proportional to 12,868.12, 19,296.24 and 5,468.64

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Solution

The fourth proportional to 12,868.12, 19,296.24 and 5,468.64 is: 8,200.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,868.12 : 19,296.24 = 5,468.64 : x
  2. Step 2: Convert to fraction form
    12,868.12/19,296.24 = 5,468.64/x
  3. Step 3: Cross multiply
    12,868.12x = 19,296.24 × 5,468.64
  4. Step 4: Simplify right side
    12,868.12x = 105,524,189.91
  5. Step 5: Solve for x
    x = 105,524,189.91/12,868.12
  6. Step 6: Final answer
    x = 8,200.44

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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.