Home / 13,956.44-20,926.46-5,636.72

Finding the Fourth Proportional to 13,956.44, 20,926.46 and 5,636.72

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Solution

The fourth proportional to 13,956.44, 20,926.46 and 5,636.72 is: 8,451.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,956.44 : 20,926.46 = 5,636.72 : x
  2. Step 2: Convert to fraction form
    13,956.44/20,926.46 = 5,636.72/x
  3. Step 3: Cross multiply
    13,956.44x = 20,926.46 × 5,636.72
  4. Step 4: Simplify right side
    13,956.44x = 117,956,595.61
  5. Step 5: Solve for x
    x = 117,956,595.61/13,956.44
  6. Step 6: Final answer
    x = 8,451.77

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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.