Home / 13,742.84-20,614.26-3,354.50

Finding the Fourth Proportional to 13,742.84, 20,614.26 and 3,354.50

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Solution

The fourth proportional to 13,742.84, 20,614.26 and 3,354.50 is: 5,031.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,742.84 : 20,614.26 = 3,354.50 : x
  2. Step 2: Convert to fraction form
    13,742.84/20,614.26 = 3,354.50/x
  3. Step 3: Cross multiply
    13,742.84x = 20,614.26 × 3,354.50
  4. Step 4: Simplify right side
    13,742.84x = 69,150,535.17
  5. Step 5: Solve for x
    x = 69,150,535.17/13,742.84
  6. Step 6: Final answer
    x = 5,031.75

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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.