Home / 13,770.60-20,664.68-5,004.72

Finding the Fourth Proportional to 13,770.60, 20,664.68 and 5,004.72

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Solution

The fourth proportional to 13,770.60, 20,664.68 and 5,004.72 is: 7,510.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,770.60 : 20,664.68 = 5,004.72 : x
  2. Step 2: Convert to fraction form
    13,770.60/20,664.68 = 5,004.72/x
  3. Step 3: Cross multiply
    13,770.60x = 20,664.68 × 5,004.72
  4. Step 4: Simplify right side
    13,770.60x = 103,420,937.29
  5. Step 5: Solve for x
    x = 103,420,937.29/13,770.60
  6. Step 6: Final answer
    x = 7,510.27

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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.