Home / 10,269.60-14,172-5,553.84

Finding the Fourth Proportional to 10,269.60, 14,172 and 5,553.84

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Solution

The fourth proportional to 10,269.60, 14,172 and 5,553.84 is: 7,664.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,269.60 : 14,172 = 5,553.84 : x
  2. Step 2: Convert to fraction form
    10,269.60/14,172 = 5,553.84/x
  3. Step 3: Cross multiply
    10,269.60x = 14,172 × 5,553.84
  4. Step 4: Simplify right side
    10,269.60x = 78,709,020.48
  5. Step 5: Solve for x
    x = 78,709,020.48/10,269.60
  6. Step 6: Final answer
    x = 7,664.27

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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.