Home / 12,996.04-17,937.31-8,212.94

Finding the Fourth Proportional to 12,996.04, 17,937.31 and 8,212.94

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Solution

The fourth proportional to 12,996.04, 17,937.31 and 8,212.94 is: 11,335.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,996.04 : 17,937.31 = 8,212.94 : x
  2. Step 2: Convert to fraction form
    12,996.04/17,937.31 = 8,212.94/x
  3. Step 3: Cross multiply
    12,996.04x = 17,937.31 × 8,212.94
  4. Step 4: Simplify right side
    12,996.04x = 147,318,050.79
  5. Step 5: Solve for x
    x = 147,318,050.79/12,996.04
  6. Step 6: Final answer
    x = 11,335.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.