Home / 14,114.70-21,172.09-4,761.29

Finding the Fourth Proportional to 14,114.70, 21,172.09 and 4,761.29

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Solution

The fourth proportional to 14,114.70, 21,172.09 and 4,761.29 is: 7,141.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,114.70 : 21,172.09 = 4,761.29 : x
  2. Step 2: Convert to fraction form
    14,114.70/21,172.09 = 4,761.29/x
  3. Step 3: Cross multiply
    14,114.70x = 21,172.09 × 4,761.29
  4. Step 4: Simplify right side
    14,114.70x = 100,806,460.40
  5. Step 5: Solve for x
    x = 100,806,460.40/14,114.70
  6. Step 6: Final answer
    x = 7,141.95

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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.