Home / 11,520.63-17,284.19-3,730.05

Finding the Fourth Proportional to 11,520.63, 17,284.19 and 3,730.05

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Solution

The fourth proportional to 11,520.63, 17,284.19 and 3,730.05 is: 5,596.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,520.63 : 17,284.19 = 3,730.05 : x
  2. Step 2: Convert to fraction form
    11,520.63/17,284.19 = 3,730.05/x
  3. Step 3: Cross multiply
    11,520.63x = 17,284.19 × 3,730.05
  4. Step 4: Simplify right side
    11,520.63x = 64,470,874.26
  5. Step 5: Solve for x
    x = 64,470,874.26/11,520.63
  6. Step 6: Final answer
    x = 5,596.12

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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.