Home / 13,193.74-19,790.58-5,402.56

Finding the Fourth Proportional to 13,193.74, 19,790.58 and 5,402.56

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Solution

The fourth proportional to 13,193.74, 19,790.58 and 5,402.56 is: 8,103.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,193.74 : 19,790.58 = 5,402.56 : x
  2. Step 2: Convert to fraction form
    13,193.74/19,790.58 = 5,402.56/x
  3. Step 3: Cross multiply
    13,193.74x = 19,790.58 × 5,402.56
  4. Step 4: Simplify right side
    13,193.74x = 106,919,795.88
  5. Step 5: Solve for x
    x = 106,919,795.88/13,193.74
  6. Step 6: Final answer
    x = 8,103.83

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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.