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Finding the Fourth Proportional to 12,852.62, 19,226.13 and 10,260.62

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Solution

The fourth proportional to 12,852.62, 19,226.13 and 10,260.62 is: 15,348.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,852.62 : 19,226.13 = 10,260.62 : x
  2. Step 2: Convert to fraction form
    12,852.62/19,226.13 = 10,260.62/x
  3. Step 3: Cross multiply
    12,852.62x = 19,226.13 × 10,260.62
  4. Step 4: Simplify right side
    12,852.62x = 197,272,014.00
  5. Step 5: Solve for x
    x = 197,272,014.00/12,852.62
  6. Step 6: Final answer
    x = 15,348.78

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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.