Home / 13,117.22-19,678.71-3,883.94

Finding the Fourth Proportional to 13,117.22, 19,678.71 and 3,883.94

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Solution

The fourth proportional to 13,117.22, 19,678.71 and 3,883.94 is: 5,826.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,117.22 : 19,678.71 = 3,883.94 : x
  2. Step 2: Convert to fraction form
    13,117.22/19,678.71 = 3,883.94/x
  3. Step 3: Cross multiply
    13,117.22x = 19,678.71 × 3,883.94
  4. Step 4: Simplify right side
    13,117.22x = 76,430,928.92
  5. Step 5: Solve for x
    x = 76,430,928.92/13,117.22
  6. Step 6: Final answer
    x = 5,826.76

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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.