Home / 11,999.21-16,551.19-7,283.49

Finding the Fourth Proportional to 11,999.21, 16,551.19 and 7,283.49

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Solution

The fourth proportional to 11,999.21, 16,551.19 and 7,283.49 is: 10,046.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,999.21 : 16,551.19 = 7,283.49 : x
  2. Step 2: Convert to fraction form
    11,999.21/16,551.19 = 7,283.49/x
  3. Step 3: Cross multiply
    11,999.21x = 16,551.19 × 7,283.49
  4. Step 4: Simplify right side
    11,999.21x = 120,550,373.89
  5. Step 5: Solve for x
    x = 120,550,373.89/11,999.21
  6. Step 6: Final answer
    x = 10,046.53

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1.5x scale

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.