Home / 11,970.36-17,938.89-6,114.60

Finding the Fourth Proportional to 11,970.36, 17,938.89 and 6,114.60

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Solution

The fourth proportional to 11,970.36, 17,938.89 and 6,114.60 is: 9,163.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,970.36 : 17,938.89 = 6,114.60 : x
  2. Step 2: Convert to fraction form
    11,970.36/17,938.89 = 6,114.60/x
  3. Step 3: Cross multiply
    11,970.36x = 17,938.89 × 6,114.60
  4. Step 4: Simplify right side
    11,970.36x = 109,689,136.79
  5. Step 5: Solve for x
    x = 109,689,136.79/11,970.36
  6. Step 6: Final answer
    x = 9,163.39

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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.