Home / 13,992.26-19,309.20-7,704.50

Finding the Fourth Proportional to 13,992.26, 19,309.20 and 7,704.50

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Solution

The fourth proportional to 13,992.26, 19,309.20 and 7,704.50 is: 10,632.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,992.26 : 19,309.20 = 7,704.50 : x
  2. Step 2: Convert to fraction form
    13,992.26/19,309.20 = 7,704.50/x
  3. Step 3: Cross multiply
    13,992.26x = 19,309.20 × 7,704.50
  4. Step 4: Simplify right side
    13,992.26x = 148,767,731.40
  5. Step 5: Solve for x
    x = 148,767,731.40/13,992.26
  6. Step 6: Final answer
    x = 10,632.14

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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.