Home / 12,999.26-17,938.96-7,334

Finding the Fourth Proportional to 12,999.26, 17,938.96 and 7,334

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Solution

The fourth proportional to 12,999.26, 17,938.96 and 7,334 is: 10,120.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,999.26 : 17,938.96 = 7,334 : x
  2. Step 2: Convert to fraction form
    12,999.26/17,938.96 = 7,334/x
  3. Step 3: Cross multiply
    12,999.26x = 17,938.96 × 7,334
  4. Step 4: Simplify right side
    12,999.26x = 131,564,332.64
  5. Step 5: Solve for x
    x = 131,564,332.64/12,999.26
  6. Step 6: Final answer
    x = 10,120.91

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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.