Home / 11,293.40-16,936.86-3,897.56

Finding the Fourth Proportional to 11,293.40, 16,936.86 and 3,897.56

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Solution

The fourth proportional to 11,293.40, 16,936.86 and 3,897.56 is: 5,845.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,293.40 : 16,936.86 = 3,897.56 : x
  2. Step 2: Convert to fraction form
    11,293.40/16,936.86 = 3,897.56/x
  3. Step 3: Cross multiply
    11,293.40x = 16,936.86 × 3,897.56
  4. Step 4: Simplify right side
    11,293.40x = 66,012,428.06
  5. Step 5: Solve for x
    x = 66,012,428.06/11,293.40
  6. Step 6: Final answer
    x = 5,845.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.