Home / 13,711.08-20,574.84-5,919.88

Finding the Fourth Proportional to 13,711.08, 20,574.84 and 5,919.88

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Solution

The fourth proportional to 13,711.08, 20,574.84 and 5,919.88 is: 8,883.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,711.08 : 20,574.84 = 5,919.88 : x
  2. Step 2: Convert to fraction form
    13,711.08/20,574.84 = 5,919.88/x
  3. Step 3: Cross multiply
    13,711.08x = 20,574.84 × 5,919.88
  4. Step 4: Simplify right side
    13,711.08x = 121,800,583.82
  5. Step 5: Solve for x
    x = 121,800,583.82/13,711.08
  6. Step 6: Final answer
    x = 8,883.37

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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.