Home / 13,101.27-19,645.43-4,780.95

Finding the Fourth Proportional to 13,101.27, 19,645.43 and 4,780.95

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Solution

The fourth proportional to 13,101.27, 19,645.43 and 4,780.95 is: 7,169.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,101.27 : 19,645.43 = 4,780.95 : x
  2. Step 2: Convert to fraction form
    13,101.27/19,645.43 = 4,780.95/x
  3. Step 3: Cross multiply
    13,101.27x = 19,645.43 × 4,780.95
  4. Step 4: Simplify right side
    13,101.27x = 93,923,794.65
  5. Step 5: Solve for x
    x = 93,923,794.65/13,101.27
  6. Step 6: Final answer
    x = 7,169.06

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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.