Home / 11,936.67-17,905.02-4,140

Finding the Fourth Proportional to 11,936.67, 17,905.02 and 4,140

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Solution

The fourth proportional to 11,936.67, 17,905.02 and 4,140 is: 6,210.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,936.67 : 17,905.02 = 4,140 : x
  2. Step 2: Convert to fraction form
    11,936.67/17,905.02 = 4,140/x
  3. Step 3: Cross multiply
    11,936.67x = 17,905.02 × 4,140
  4. Step 4: Simplify right side
    11,936.67x = 74,126,782.80
  5. Step 5: Solve for x
    x = 74,126,782.80/11,936.67
  6. Step 6: Final answer
    x = 6,210.01

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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.