Home / 13,861.56-20,794.38-5,095.78

Finding the Fourth Proportional to 13,861.56, 20,794.38 and 5,095.78

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Solution

The fourth proportional to 13,861.56, 20,794.38 and 5,095.78 is: 7,644.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,861.56 : 20,794.38 = 5,095.78 : x
  2. Step 2: Convert to fraction form
    13,861.56/20,794.38 = 5,095.78/x
  3. Step 3: Cross multiply
    13,861.56x = 20,794.38 × 5,095.78
  4. Step 4: Simplify right side
    13,861.56x = 105,963,585.72
  5. Step 5: Solve for x
    x = 105,963,585.72/13,861.56
  6. Step 6: Final answer
    x = 7,644.42

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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.