Home / 19,660.37-27,131.13-10,707.84

Finding the Fourth Proportional to 19,660.37, 27,131.13 and 10,707.84

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Solution

The fourth proportional to 19,660.37, 27,131.13 and 10,707.84 is: 14,776.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,660.37 : 27,131.13 = 10,707.84 : x
  2. Step 2: Convert to fraction form
    19,660.37/27,131.13 = 10,707.84/x
  3. Step 3: Cross multiply
    19,660.37x = 27,131.13 × 10,707.84
  4. Step 4: Simplify right side
    19,660.37x = 290,515,799.06
  5. Step 5: Solve for x
    x = 290,515,799.06/19,660.37
  6. Step 6: Final answer
    x = 14,776.72

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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.