Home / 12,935.12-17,850.36-7,346

Finding the Fourth Proportional to 12,935.12, 17,850.36 and 7,346

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Solution

The fourth proportional to 12,935.12, 17,850.36 and 7,346 is: 10,137.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,935.12 : 17,850.36 = 7,346 : x
  2. Step 2: Convert to fraction form
    12,935.12/17,850.36 = 7,346/x
  3. Step 3: Cross multiply
    12,935.12x = 17,850.36 × 7,346
  4. Step 4: Simplify right side
    12,935.12x = 131,128,744.56
  5. Step 5: Solve for x
    x = 131,128,744.56/12,935.12
  6. Step 6: Final answer
    x = 10,137.42

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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.