Home / 13,516.34-18,661.32-12,097.57

Finding the Fourth Proportional to 13,516.34, 18,661.32 and 12,097.57

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Solution

The fourth proportional to 13,516.34, 18,661.32 and 12,097.57 is: 16,702.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,516.34 : 18,661.32 = 12,097.57 : x
  2. Step 2: Convert to fraction form
    13,516.34/18,661.32 = 12,097.57/x
  3. Step 3: Cross multiply
    13,516.34x = 18,661.32 × 12,097.57
  4. Step 4: Simplify right side
    13,516.34x = 225,756,585.64
  5. Step 5: Solve for x
    x = 225,756,585.64/13,516.34
  6. Step 6: Final answer
    x = 16,702.49

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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.