Home / 10,606.50-15,910.14-3,211.56

Finding the Fourth Proportional to 10,606.50, 15,910.14 and 3,211.56

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Solution

The fourth proportional to 10,606.50, 15,910.14 and 3,211.56 is: 4,817.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,606.50 : 15,910.14 = 3,211.56 : x
  2. Step 2: Convert to fraction form
    10,606.50/15,910.14 = 3,211.56/x
  3. Step 3: Cross multiply
    10,606.50x = 15,910.14 × 3,211.56
  4. Step 4: Simplify right side
    10,606.50x = 51,096,369.22
  5. Step 5: Solve for x
    x = 51,096,369.22/10,606.50
  6. Step 6: Final answer
    x = 4,817.46

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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.