Home / 13,376.78-20,065.27-3,516.04

Finding the Fourth Proportional to 13,376.78, 20,065.27 and 3,516.04

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Solution

The fourth proportional to 13,376.78, 20,065.27 and 3,516.04 is: 5,274.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,376.78 : 20,065.27 = 3,516.04 : x
  2. Step 2: Convert to fraction form
    13,376.78/20,065.27 = 3,516.04/x
  3. Step 3: Cross multiply
    13,376.78x = 20,065.27 × 3,516.04
  4. Step 4: Simplify right side
    13,376.78x = 70,550,291.93
  5. Step 5: Solve for x
    x = 70,550,291.93/13,376.78
  6. Step 6: Final answer
    x = 5,274.09

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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.