Home / 19,170.90-26,462.97-11,215.62

Finding the Fourth Proportional to 19,170.90, 26,462.97 and 11,215.62

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Solution

The fourth proportional to 19,170.90, 26,462.97 and 11,215.62 is: 15,481.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,170.90 : 26,462.97 = 11,215.62 : x
  2. Step 2: Convert to fraction form
    19,170.90/26,462.97 = 11,215.62/x
  3. Step 3: Cross multiply
    19,170.90x = 26,462.97 × 11,215.62
  4. Step 4: Simplify right side
    19,170.90x = 296,798,615.59
  5. Step 5: Solve for x
    x = 296,798,615.59/19,170.90
  6. Step 6: Final answer
    x = 15,481.73

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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.