Home / 19,709.48-27,198.86-10,757.36

Finding the Fourth Proportional to 19,709.48, 27,198.86 and 10,757.36

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Solution

The fourth proportional to 19,709.48, 27,198.86 and 10,757.36 is: 14,845.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,709.48 : 27,198.86 = 10,757.36 : x
  2. Step 2: Convert to fraction form
    19,709.48/27,198.86 = 10,757.36/x
  3. Step 3: Cross multiply
    19,709.48x = 27,198.86 × 10,757.36
  4. Step 4: Simplify right side
    19,709.48x = 292,587,738.83
  5. Step 5: Solve for x
    x = 292,587,738.83/19,709.48
  6. Step 6: Final answer
    x = 14,845.03

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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.