Home / 19,757.90-27,265.91-10,805.42

Finding the Fourth Proportional to 19,757.90, 27,265.91 and 10,805.42

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Solution

The fourth proportional to 19,757.90, 27,265.91 and 10,805.42 is: 14,911.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,757.90 : 27,265.91 = 10,805.42 : x
  2. Step 2: Convert to fraction form
    19,757.90/27,265.91 = 10,805.42/x
  3. Step 3: Cross multiply
    19,757.90x = 27,265.91 × 10,805.42
  4. Step 4: Simplify right side
    19,757.90x = 294,619,555.21
  5. Step 5: Solve for x
    x = 294,619,555.21/19,757.90
  6. Step 6: Final answer
    x = 14,911.48

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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.