Home / 13,828.60-20,739.18-5,063.56

Finding the Fourth Proportional to 13,828.60, 20,739.18 and 5,063.56

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Solution

The fourth proportional to 13,828.60, 20,739.18 and 5,063.56 is: 7,593.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,828.60 : 20,739.18 = 5,063.56 : x
  2. Step 2: Convert to fraction form
    13,828.60/20,739.18 = 5,063.56/x
  3. Step 3: Cross multiply
    13,828.60x = 20,739.18 × 5,063.56
  4. Step 4: Simplify right side
    13,828.60x = 105,014,082.28
  5. Step 5: Solve for x
    x = 105,014,082.28/13,828.60
  6. Step 6: Final answer
    x = 7,593.98

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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.