Home / 13,318.22-19,970.94-6,292.38

Finding the Fourth Proportional to 13,318.22, 19,970.94 and 6,292.38

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Solution

The fourth proportional to 13,318.22, 19,970.94 and 6,292.38 is: 9,435.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,318.22 : 19,970.94 = 6,292.38 : x
  2. Step 2: Convert to fraction form
    13,318.22/19,970.94 = 6,292.38/x
  3. Step 3: Cross multiply
    13,318.22x = 19,970.94 × 6,292.38
  4. Step 4: Simplify right side
    13,318.22x = 125,664,743.44
  5. Step 5: Solve for x
    x = 125,664,743.44/13,318.22
  6. Step 6: Final answer
    x = 9,435.55

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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.