Home / 13,102.24-19,623.84-7,542.40

Finding the Fourth Proportional to 13,102.24, 19,623.84 and 7,542.40

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Solution

The fourth proportional to 13,102.24, 19,623.84 and 7,542.40 is: 11,296.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,102.24 : 19,623.84 = 7,542.40 : x
  2. Step 2: Convert to fraction form
    13,102.24/19,623.84 = 7,542.40/x
  3. Step 3: Cross multiply
    13,102.24x = 19,623.84 × 7,542.40
  4. Step 4: Simplify right side
    13,102.24x = 148,010,850.82
  5. Step 5: Solve for x
    x = 148,010,850.82/13,102.24
  6. Step 6: Final answer
    x = 11,296.61

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.