Home / 13,104-18,084.60-7,516.08

Finding the Fourth Proportional to 13,104, 18,084.60 and 7,516.08

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Solution

The fourth proportional to 13,104, 18,084.60 and 7,516.08 is: 10,372.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,104 : 18,084.60 = 7,516.08 : x
  2. Step 2: Convert to fraction form
    13,104/18,084.60 = 7,516.08/x
  3. Step 3: Cross multiply
    13,104x = 18,084.60 × 7,516.08
  4. Step 4: Simplify right side
    13,104x = 135,925,300.37
  5. Step 5: Solve for x
    x = 135,925,300.37/13,104
  6. Step 6: Final answer
    x = 10,372.81

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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.