Home / 12,306.43-16,982.90-6,717.43

Finding the Fourth Proportional to 12,306.43, 16,982.90 and 6,717.43

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Solution

The fourth proportional to 12,306.43, 16,982.90 and 6,717.43 is: 9,270.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,306.43 : 16,982.90 = 6,717.43 : x
  2. Step 2: Convert to fraction form
    12,306.43/16,982.90 = 6,717.43/x
  3. Step 3: Cross multiply
    12,306.43x = 16,982.90 × 6,717.43
  4. Step 4: Simplify right side
    12,306.43x = 114,081,441.95
  5. Step 5: Solve for x
    x = 114,081,441.95/12,306.43
  6. Step 6: Final answer
    x = 9,270.07

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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.