Home / 12,813.27-19,221.12-4,049.48

Finding the Fourth Proportional to 12,813.27, 19,221.12 and 4,049.48

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Solution

The fourth proportional to 12,813.27, 19,221.12 and 4,049.48 is: 6,074.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,813.27 : 19,221.12 = 4,049.48 : x
  2. Step 2: Convert to fraction form
    12,813.27/19,221.12 = 4,049.48/x
  3. Step 3: Cross multiply
    12,813.27x = 19,221.12 × 4,049.48
  4. Step 4: Simplify right side
    12,813.27x = 77,835,444.91
  5. Step 5: Solve for x
    x = 77,835,444.91/12,813.27
  6. Step 6: Final answer
    x = 6,074.60

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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.