Home / 10,631.69-15,942.22-6,190.83

Finding the Fourth Proportional to 10,631.69, 15,942.22 and 6,190.83

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Solution

The fourth proportional to 10,631.69, 15,942.22 and 6,190.83 is: 9,283.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,631.69 : 15,942.22 = 6,190.83 : x
  2. Step 2: Convert to fraction form
    10,631.69/15,942.22 = 6,190.83/x
  3. Step 3: Cross multiply
    10,631.69x = 15,942.22 × 6,190.83
  4. Step 4: Simplify right side
    10,631.69x = 98,695,558.37
  5. Step 5: Solve for x
    x = 98,695,558.37/10,631.69
  6. Step 6: Final answer
    x = 9,283.15

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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.