Home / 13,150.26-19,726.74-4,382.82

Finding the Fourth Proportional to 13,150.26, 19,726.74 and 4,382.82

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Solution

The fourth proportional to 13,150.26, 19,726.74 and 4,382.82 is: 6,574.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,150.26 : 19,726.74 = 4,382.82 : x
  2. Step 2: Convert to fraction form
    13,150.26/19,726.74 = 4,382.82/x
  3. Step 3: Cross multiply
    13,150.26x = 19,726.74 × 4,382.82
  4. Step 4: Simplify right side
    13,150.26x = 86,458,750.61
  5. Step 5: Solve for x
    x = 86,458,750.61/13,150.26
  6. Step 6: Final answer
    x = 6,574.68

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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.