Home / 11,924.51-16,455.81-6,619.31

Finding the Fourth Proportional to 11,924.51, 16,455.81 and 6,619.31

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Solution

The fourth proportional to 11,924.51, 16,455.81 and 6,619.31 is: 9,134.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,924.51 : 16,455.81 = 6,619.31 : x
  2. Step 2: Convert to fraction form
    11,924.51/16,455.81 = 6,619.31/x
  3. Step 3: Cross multiply
    11,924.51x = 16,455.81 × 6,619.31
  4. Step 4: Simplify right side
    11,924.51x = 108,926,107.69
  5. Step 5: Solve for x
    x = 108,926,107.69/11,924.51
  6. Step 6: Final answer
    x = 9,134.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.