Home / 19,668.51-27,121.77-14,624.64

Finding the Fourth Proportional to 19,668.51, 27,121.77 and 14,624.64

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Solution

The fourth proportional to 19,668.51, 27,121.77 and 14,624.64 is: 20,166.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,668.51 : 27,121.77 = 14,624.64 : x
  2. Step 2: Convert to fraction form
    19,668.51/27,121.77 = 14,624.64/x
  3. Step 3: Cross multiply
    19,668.51x = 27,121.77 × 14,624.64
  4. Step 4: Simplify right side
    19,668.51x = 396,646,122.41
  5. Step 5: Solve for x
    x = 396,646,122.41/19,668.51
  6. Step 6: Final answer
    x = 20,166.56

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1.5x scale

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.