Home / 13,148.64-19,684.68-6,893.82

Finding the Fourth Proportional to 13,148.64, 19,684.68 and 6,893.82

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Solution

The fourth proportional to 13,148.64, 19,684.68 and 6,893.82 is: 10,320.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,148.64 : 19,684.68 = 6,893.82 : x
  2. Step 2: Convert to fraction form
    13,148.64/19,684.68 = 6,893.82/x
  3. Step 3: Cross multiply
    13,148.64x = 19,684.68 × 6,893.82
  4. Step 4: Simplify right side
    13,148.64x = 135,702,640.68
  5. Step 5: Solve for x
    x = 135,702,640.68/13,148.64
  6. Step 6: Final answer
    x = 10,320.66

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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.