Home / 13,286.69-19,916.36-5,894.63

Finding the Fourth Proportional to 13,286.69, 19,916.36 and 5,894.63

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Solution

The fourth proportional to 13,286.69, 19,916.36 and 5,894.63 is: 8,835.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,286.69 : 19,916.36 = 5,894.63 : x
  2. Step 2: Convert to fraction form
    13,286.69/19,916.36 = 5,894.63/x
  3. Step 3: Cross multiply
    13,286.69x = 19,916.36 × 5,894.63
  4. Step 4: Simplify right side
    13,286.69x = 117,399,444.09
  5. Step 5: Solve for x
    x = 117,399,444.09/13,286.69
  6. Step 6: Final answer
    x = 8,835.87

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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.