Home / 19,128.44-26,393.15-11,167.05

Finding the Fourth Proportional to 19,128.44, 26,393.15 and 11,167.05

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Solution

The fourth proportional to 19,128.44, 26,393.15 and 11,167.05 is: 15,408.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,128.44 : 26,393.15 = 11,167.05 : x
  2. Step 2: Convert to fraction form
    19,128.44/26,393.15 = 11,167.05/x
  3. Step 3: Cross multiply
    19,128.44x = 26,393.15 × 11,167.05
  4. Step 4: Simplify right side
    19,128.44x = 294,733,625.71
  5. Step 5: Solve for x
    x = 294,733,625.71/19,128.44
  6. Step 6: Final answer
    x = 15,408.14

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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.