Home / 19,660.14-27,131.04-10,707.69

Finding the Fourth Proportional to 19,660.14, 27,131.04 and 10,707.69

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Solution

The fourth proportional to 19,660.14, 27,131.04 and 10,707.69 is: 14,776.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,660.14 : 27,131.04 = 10,707.69 : x
  2. Step 2: Convert to fraction form
    19,660.14/27,131.04 = 10,707.69/x
  3. Step 3: Cross multiply
    19,660.14x = 27,131.04 × 10,707.69
  4. Step 4: Simplify right side
    19,660.14x = 290,510,765.70
  5. Step 5: Solve for x
    x = 290,510,765.70/19,660.14
  6. Step 6: Final answer
    x = 14,776.64

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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.