Home / 13,825.17-19,078.70-7,537.50

Finding the Fourth Proportional to 13,825.17, 19,078.70 and 7,537.50

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Solution

The fourth proportional to 13,825.17, 19,078.70 and 7,537.50 is: 10,401.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,825.17 : 19,078.70 = 7,537.50 : x
  2. Step 2: Convert to fraction form
    13,825.17/19,078.70 = 7,537.50/x
  3. Step 3: Cross multiply
    13,825.17x = 19,078.70 × 7,537.50
  4. Step 4: Simplify right side
    13,825.17x = 143,805,663.56
  5. Step 5: Solve for x
    x = 143,805,663.56/13,825.17
  6. Step 6: Final answer
    x = 10,401.73

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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.