Home / 13,284.36-19,919.82-5,891.08

Finding the Fourth Proportional to 13,284.36, 19,919.82 and 5,891.08

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Solution

The fourth proportional to 13,284.36, 19,919.82 and 5,891.08 is: 8,833.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,284.36 : 19,919.82 = 5,891.08 : x
  2. Step 2: Convert to fraction form
    13,284.36/19,919.82 = 5,891.08/x
  3. Step 3: Cross multiply
    13,284.36x = 19,919.82 × 5,891.08
  4. Step 4: Simplify right side
    13,284.36x = 117,349,253.21
  5. Step 5: Solve for x
    x = 117,349,253.21/13,284.36
  6. Step 6: Final answer
    x = 8,833.64

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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.