Home / 13,855.63-19,100.52-11,024.07

Finding the Fourth Proportional to 13,855.63, 19,100.52 and 11,024.07

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Solution

The fourth proportional to 13,855.63, 19,100.52 and 11,024.07 is: 15,197.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,855.63 : 19,100.52 = 11,024.07 : x
  2. Step 2: Convert to fraction form
    13,855.63/19,100.52 = 11,024.07/x
  3. Step 3: Cross multiply
    13,855.63x = 19,100.52 × 11,024.07
  4. Step 4: Simplify right side
    13,855.63x = 210,565,469.52
  5. Step 5: Solve for x
    x = 210,565,469.52/13,855.63
  6. Step 6: Final answer
    x = 15,197.11

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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.