Home / 9,417.86-14,121.32-3,571.28

Finding the Fourth Proportional to 9,417.86, 14,121.32 and 3,571.28

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Solution

The fourth proportional to 9,417.86, 14,121.32 and 3,571.28 is: 5,354.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,417.86 : 14,121.32 = 3,571.28 : x
  2. Step 2: Convert to fraction form
    9,417.86/14,121.32 = 3,571.28/x
  3. Step 3: Cross multiply
    9,417.86x = 14,121.32 × 3,571.28
  4. Step 4: Simplify right side
    9,417.86x = 50,431,187.69
  5. Step 5: Solve for x
    x = 50,431,187.69/9,417.86
  6. Step 6: Final answer
    x = 5,354.85

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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.