Home / 10,369.05-15,553.64-2,577.87

Finding the Fourth Proportional to 10,369.05, 15,553.64 and 2,577.87

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Solution

The fourth proportional to 10,369.05, 15,553.64 and 2,577.87 is: 3,866.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,369.05 : 15,553.64 = 2,577.87 : x
  2. Step 2: Convert to fraction form
    10,369.05/15,553.64 = 2,577.87/x
  3. Step 3: Cross multiply
    10,369.05x = 15,553.64 × 2,577.87
  4. Step 4: Simplify right side
    10,369.05x = 40,095,221.02
  5. Step 5: Solve for x
    x = 40,095,221.02/10,369.05
  6. Step 6: Final answer
    x = 3,866.82

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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.