Home / 13,873.06-20,799.87-5,106.84

Finding the Fourth Proportional to 13,873.06, 20,799.87 and 5,106.84

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Solution

The fourth proportional to 13,873.06, 20,799.87 and 5,106.84 is: 7,656.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,873.06 : 20,799.87 = 5,106.84 : x
  2. Step 2: Convert to fraction form
    13,873.06/20,799.87 = 5,106.84/x
  3. Step 3: Cross multiply
    13,873.06x = 20,799.87 × 5,106.84
  4. Step 4: Simplify right side
    13,873.06x = 106,221,608.11
  5. Step 5: Solve for x
    x = 106,221,608.11/13,873.06
  6. Step 6: Final answer
    x = 7,656.68

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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.