Home / 19,741.20-27,241.70-10,786.92

Finding the Fourth Proportional to 19,741.20, 27,241.70 and 10,786.92

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Solution

The fourth proportional to 19,741.20, 27,241.70 and 10,786.92 is: 14,885.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,741.20 : 27,241.70 = 10,786.92 : x
  2. Step 2: Convert to fraction form
    19,741.20/27,241.70 = 10,786.92/x
  3. Step 3: Cross multiply
    19,741.20x = 27,241.70 × 10,786.92
  4. Step 4: Simplify right side
    19,741.20x = 293,853,984.63
  5. Step 5: Solve for x
    x = 293,853,984.63/19,741.20
  6. Step 6: Final answer
    x = 14,885.32

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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.