Home / 15,640.46-23,458.20-5,110.39

Finding the Fourth Proportional to 15,640.46, 23,458.20 and 5,110.39

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Solution

The fourth proportional to 15,640.46, 23,458.20 and 5,110.39 is: 7,664.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,640.46 : 23,458.20 = 5,110.39 : x
  2. Step 2: Convert to fraction form
    15,640.46/23,458.20 = 5,110.39/x
  3. Step 3: Cross multiply
    15,640.46x = 23,458.20 × 5,110.39
  4. Step 4: Simplify right side
    15,640.46x = 119,880,550.70
  5. Step 5: Solve for x
    x = 119,880,550.70/15,640.46
  6. Step 6: Final answer
    x = 7,664.77

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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.