Home / 10,450.47-15,665.71-3,874.89

Finding the Fourth Proportional to 10,450.47, 15,665.71 and 3,874.89

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Solution

The fourth proportional to 10,450.47, 15,665.71 and 3,874.89 is: 5,808.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,450.47 : 15,665.71 = 3,874.89 : x
  2. Step 2: Convert to fraction form
    10,450.47/15,665.71 = 3,874.89/x
  3. Step 3: Cross multiply
    10,450.47x = 15,665.71 × 3,874.89
  4. Step 4: Simplify right side
    10,450.47x = 60,702,903.02
  5. Step 5: Solve for x
    x = 60,702,903.02/10,450.47
  6. Step 6: Final answer
    x = 5,808.63

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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.