Home / 19,129.82-26,392.37-11,170.98

Finding the Fourth Proportional to 19,129.82, 26,392.37 and 11,170.98

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Solution

The fourth proportional to 19,129.82, 26,392.37 and 11,170.98 is: 15,411.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,129.82 : 26,392.37 = 11,170.98 : x
  2. Step 2: Convert to fraction form
    19,129.82/26,392.37 = 11,170.98/x
  3. Step 3: Cross multiply
    19,129.82x = 26,392.37 × 11,170.98
  4. Step 4: Simplify right side
    19,129.82x = 294,828,581.57
  5. Step 5: Solve for x
    x = 294,828,581.57/19,129.82
  6. Step 6: Final answer
    x = 15,411.99

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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.