Home / 19,660.82-27,130.97-10,708.26

Finding the Fourth Proportional to 19,660.82, 27,130.97 and 10,708.26

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Solution

The fourth proportional to 19,660.82, 27,130.97 and 10,708.26 is: 14,776.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,660.82 : 27,130.97 = 10,708.26 : x
  2. Step 2: Convert to fraction form
    19,660.82/27,130.97 = 10,708.26/x
  3. Step 3: Cross multiply
    19,660.82x = 27,130.97 × 10,708.26
  4. Step 4: Simplify right side
    19,660.82x = 290,525,507.58
  5. Step 5: Solve for x
    x = 290,525,507.58/19,660.82
  6. Step 6: Final answer
    x = 14,776.88

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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.