Home / 19,739.26-27,240.42-10,786.87

Finding the Fourth Proportional to 19,739.26, 27,240.42 and 10,786.87

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Solution

The fourth proportional to 19,739.26, 27,240.42 and 10,786.87 is: 14,886.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,739.26 : 27,240.42 = 10,786.87 : x
  2. Step 2: Convert to fraction form
    19,739.26/27,240.42 = 10,786.87/x
  3. Step 3: Cross multiply
    19,739.26x = 27,240.42 × 10,786.87
  4. Step 4: Simplify right side
    19,739.26x = 293,838,869.29
  5. Step 5: Solve for x
    x = 293,838,869.29/19,739.26
  6. Step 6: Final answer
    x = 14,886.01

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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.