Home / 12,852.78-19,265.76-6,269.92

Finding the Fourth Proportional to 12,852.78, 19,265.76 and 6,269.92

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Solution

The fourth proportional to 12,852.78, 19,265.76 and 6,269.92 is: 9,398.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,852.78 : 19,265.76 = 6,269.92 : x
  2. Step 2: Convert to fraction form
    12,852.78/19,265.76 = 6,269.92/x
  3. Step 3: Cross multiply
    12,852.78x = 19,265.76 × 6,269.92
  4. Step 4: Simplify right side
    12,852.78x = 120,794,773.94
  5. Step 5: Solve for x
    x = 120,794,773.94/12,852.78
  6. Step 6: Final answer
    x = 9,398.34

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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.