Home / 12,812.43-19,207.25-6,892.49

Finding the Fourth Proportional to 12,812.43, 19,207.25 and 6,892.49

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Solution

The fourth proportional to 12,812.43, 19,207.25 and 6,892.49 is: 10,332.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,812.43 : 19,207.25 = 6,892.49 : x
  2. Step 2: Convert to fraction form
    12,812.43/19,207.25 = 6,892.49/x
  3. Step 3: Cross multiply
    12,812.43x = 19,207.25 × 6,892.49
  4. Step 4: Simplify right side
    12,812.43x = 132,385,761.32
  5. Step 5: Solve for x
    x = 132,385,761.32/12,812.43
  6. Step 6: Final answer
    x = 10,332.61

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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.