Home / 13,913.64-19,200.24-7,625.61

Finding the Fourth Proportional to 13,913.64, 19,200.24 and 7,625.61

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Solution

The fourth proportional to 13,913.64, 19,200.24 and 7,625.61 is: 10,523.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,913.64 : 19,200.24 = 7,625.61 : x
  2. Step 2: Convert to fraction form
    13,913.64/19,200.24 = 7,625.61/x
  3. Step 3: Cross multiply
    13,913.64x = 19,200.24 × 7,625.61
  4. Step 4: Simplify right side
    13,913.64x = 146,413,542.15
  5. Step 5: Solve for x
    x = 146,413,542.15/13,913.64
  6. Step 6: Final answer
    x = 10,523.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.