Home / 12,865.27-19,307.14-5,474.92

Finding the Fourth Proportional to 12,865.27, 19,307.14 and 5,474.92

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Solution

The fourth proportional to 12,865.27, 19,307.14 and 5,474.92 is: 8,216.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,865.27 : 19,307.14 = 5,474.92 : x
  2. Step 2: Convert to fraction form
    12,865.27/19,307.14 = 5,474.92/x
  3. Step 3: Cross multiply
    12,865.27x = 19,307.14 × 5,474.92
  4. Step 4: Simplify right side
    12,865.27x = 105,705,046.93
  5. Step 5: Solve for x
    x = 105,705,046.93/12,865.27
  6. Step 6: Final answer
    x = 8,216.31

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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.