Home / 12,766.12-19,108.22-6,828.14

Finding the Fourth Proportional to 12,766.12, 19,108.22 and 6,828.14

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Solution

The fourth proportional to 12,766.12, 19,108.22 and 6,828.14 is: 10,220.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,766.12 : 19,108.22 = 6,828.14 : x
  2. Step 2: Convert to fraction form
    12,766.12/19,108.22 = 6,828.14/x
  3. Step 3: Cross multiply
    12,766.12x = 19,108.22 × 6,828.14
  4. Step 4: Simplify right side
    12,766.12x = 130,473,614.94
  5. Step 5: Solve for x
    x = 130,473,614.94/12,766.12
  6. Step 6: Final answer
    x = 10,220.31

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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.