Home / 13,286.76-19,924.50-5,886

Finding the Fourth Proportional to 13,286.76, 19,924.50 and 5,886

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Solution

The fourth proportional to 13,286.76, 19,924.50 and 5,886 is: 8,826.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,286.76 : 19,924.50 = 5,886 : x
  2. Step 2: Convert to fraction form
    13,286.76/19,924.50 = 5,886/x
  3. Step 3: Cross multiply
    13,286.76x = 19,924.50 × 5,886
  4. Step 4: Simplify right side
    13,286.76x = 117,275,607
  5. Step 5: Solve for x
    x = 117,275,607/13,286.76
  6. Step 6: Final answer
    x = 8,826.50

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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.