Home / 19,620.54-27,076.88-10,668.66

Finding the Fourth Proportional to 19,620.54, 27,076.88 and 10,668.66

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Solution

The fourth proportional to 19,620.54, 27,076.88 and 10,668.66 is: 14,723.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,620.54 : 27,076.88 = 10,668.66 : x
  2. Step 2: Convert to fraction form
    19,620.54/27,076.88 = 10,668.66/x
  3. Step 3: Cross multiply
    19,620.54x = 27,076.88 × 10,668.66
  4. Step 4: Simplify right side
    19,620.54x = 288,874,026.58
  5. Step 5: Solve for x
    x = 288,874,026.58/19,620.54
  6. Step 6: Final answer
    x = 14,723.04

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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.