Home / 13,364.96-18,442.04-7,395.81

Finding the Fourth Proportional to 13,364.96, 18,442.04 and 7,395.81

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Solution

The fourth proportional to 13,364.96, 18,442.04 and 7,395.81 is: 10,205.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,364.96 : 18,442.04 = 7,395.81 : x
  2. Step 2: Convert to fraction form
    13,364.96/18,442.04 = 7,395.81/x
  3. Step 3: Cross multiply
    13,364.96x = 18,442.04 × 7,395.81
  4. Step 4: Simplify right side
    13,364.96x = 136,393,786.87
  5. Step 5: Solve for x
    x = 136,393,786.87/13,364.96
  6. Step 6: Final answer
    x = 10,205.33

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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.