Home / 19,739.08-27,239.45-10,786.35

Finding the Fourth Proportional to 19,739.08, 27,239.45 and 10,786.35

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Solution

The fourth proportional to 19,739.08, 27,239.45 and 10,786.35 is: 14,884.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,739.08 : 27,239.45 = 10,786.35 : x
  2. Step 2: Convert to fraction form
    19,739.08/27,239.45 = 10,786.35/x
  3. Step 3: Cross multiply
    19,739.08x = 27,239.45 × 10,786.35
  4. Step 4: Simplify right side
    19,739.08x = 293,814,241.51
  5. Step 5: Solve for x
    x = 293,814,241.51/19,739.08
  6. Step 6: Final answer
    x = 14,884.90

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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.