Home / 10,477.26-15,715.42-3,081.96

Finding the Fourth Proportional to 10,477.26, 15,715.42 and 3,081.96

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Solution

The fourth proportional to 10,477.26, 15,715.42 and 3,081.96 is: 4,622.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,477.26 : 15,715.42 = 3,081.96 : x
  2. Step 2: Convert to fraction form
    10,477.26/15,715.42 = 3,081.96/x
  3. Step 3: Cross multiply
    10,477.26x = 15,715.42 × 3,081.96
  4. Step 4: Simplify right side
    10,477.26x = 48,434,288.12
  5. Step 5: Solve for x
    x = 48,434,288.12/10,477.26
  6. Step 6: Final answer
    x = 4,622.80

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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.