Home / 19,620.66-27,076.56-10,668.17

Finding the Fourth Proportional to 19,620.66, 27,076.56 and 10,668.17

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Solution

The fourth proportional to 19,620.66, 27,076.56 and 10,668.17 is: 14,722.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,620.66 : 27,076.56 = 10,668.17 : x
  2. Step 2: Convert to fraction form
    19,620.66/27,076.56 = 10,668.17/x
  3. Step 3: Cross multiply
    19,620.66x = 27,076.56 × 10,668.17
  4. Step 4: Simplify right side
    19,620.66x = 288,857,209.71
  5. Step 5: Solve for x
    x = 288,857,209.71/19,620.66
  6. Step 6: Final answer
    x = 14,722.09

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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.