Home / 9,649.91-13,306.30-6,286.49

Finding the Fourth Proportional to 9,649.91, 13,306.30 and 6,286.49

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Solution

The fourth proportional to 9,649.91, 13,306.30 and 6,286.49 is: 8,668.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,649.91 : 13,306.30 = 6,286.49 : x
  2. Step 2: Convert to fraction form
    9,649.91/13,306.30 = 6,286.49/x
  3. Step 3: Cross multiply
    9,649.91x = 13,306.30 × 6,286.49
  4. Step 4: Simplify right side
    9,649.91x = 83,649,869.79
  5. Step 5: Solve for x
    x = 83,649,869.79/9,649.91
  6. Step 6: Final answer
    x = 8,668.46

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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.