Home / 20,014.27-29,979.88-11,668.97

Finding the Fourth Proportional to 20,014.27, 29,979.88 and 11,668.97

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Solution

The fourth proportional to 20,014.27, 29,979.88 and 11,668.97 is: 17,479.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,014.27 : 29,979.88 = 11,668.97 : x
  2. Step 2: Convert to fraction form
    20,014.27/29,979.88 = 11,668.97/x
  3. Step 3: Cross multiply
    20,014.27x = 29,979.88 × 11,668.97
  4. Step 4: Simplify right side
    20,014.27x = 349,834,320.32
  5. Step 5: Solve for x
    x = 349,834,320.32/20,014.27
  6. Step 6: Final answer
    x = 17,479.25

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1.5x scale

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.