Home / 19,227.90-26,536.36-11,672.48

Finding the Fourth Proportional to 19,227.90, 26,536.36 and 11,672.48

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Solution

The fourth proportional to 19,227.90, 26,536.36 and 11,672.48 is: 16,109.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,227.90 : 26,536.36 = 11,672.48 : x
  2. Step 2: Convert to fraction form
    19,227.90/26,536.36 = 11,672.48/x
  3. Step 3: Cross multiply
    19,227.90x = 26,536.36 × 11,672.48
  4. Step 4: Simplify right side
    19,227.90x = 309,745,131.37
  5. Step 5: Solve for x
    x = 309,745,131.37/19,227.90
  6. Step 6: Final answer
    x = 16,109.15

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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.