Home / 10,906.16-16,338.60-6,450.48

Finding the Fourth Proportional to 10,906.16, 16,338.60 and 6,450.48

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Solution

The fourth proportional to 10,906.16, 16,338.60 and 6,450.48 is: 9,663.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,906.16 : 16,338.60 = 6,450.48 : x
  2. Step 2: Convert to fraction form
    10,906.16/16,338.60 = 6,450.48/x
  3. Step 3: Cross multiply
    10,906.16x = 16,338.60 × 6,450.48
  4. Step 4: Simplify right side
    10,906.16x = 105,391,812.53
  5. Step 5: Solve for x
    x = 105,391,812.53/10,906.16
  6. Step 6: Final answer
    x = 9,663.51

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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.