Home / 19,145.09-28,668.43-11,727.08

Finding the Fourth Proportional to 19,145.09, 28,668.43 and 11,727.08

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Solution

The fourth proportional to 19,145.09, 28,668.43 and 11,727.08 is: 17,560.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,145.09 : 28,668.43 = 11,727.08 : x
  2. Step 2: Convert to fraction form
    19,145.09/28,668.43 = 11,727.08/x
  3. Step 3: Cross multiply
    19,145.09x = 28,668.43 × 11,727.08
  4. Step 4: Simplify right side
    19,145.09x = 336,196,950.91
  5. Step 5: Solve for x
    x = 336,196,950.91/19,145.09
  6. Step 6: Final answer
    x = 17,560.48

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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.