Home / 10,269.73-14,172.21-5,554

Finding the Fourth Proportional to 10,269.73, 14,172.21 and 5,554

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Solution

The fourth proportional to 10,269.73, 14,172.21 and 5,554 is: 7,664.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,269.73 : 14,172.21 = 5,554 : x
  2. Step 2: Convert to fraction form
    10,269.73/14,172.21 = 5,554/x
  3. Step 3: Cross multiply
    10,269.73x = 14,172.21 × 5,554
  4. Step 4: Simplify right side
    10,269.73x = 78,712,454.34
  5. Step 5: Solve for x
    x = 78,712,454.34/10,269.73
  6. Step 6: Final answer
    x = 7,664.51

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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.