Home / 13,609.08-20,411.76-3,746.94

Finding the Fourth Proportional to 13,609.08, 20,411.76 and 3,746.94

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Solution

The fourth proportional to 13,609.08, 20,411.76 and 3,746.94 is: 5,619.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,609.08 : 20,411.76 = 3,746.94 : x
  2. Step 2: Convert to fraction form
    13,609.08/20,411.76 = 3,746.94/x
  3. Step 3: Cross multiply
    13,609.08x = 20,411.76 × 3,746.94
  4. Step 4: Simplify right side
    13,609.08x = 76,481,640.01
  5. Step 5: Solve for x
    x = 76,481,640.01/13,609.08
  6. Step 6: Final answer
    x = 5,619.90

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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.