Home / 9,929.86-14,896.93-3,355.90

Finding the Fourth Proportional to 9,929.86, 14,896.93 and 3,355.90

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Solution

The fourth proportional to 9,929.86, 14,896.93 and 3,355.90 is: 5,034.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,929.86 : 14,896.93 = 3,355.90 : x
  2. Step 2: Convert to fraction form
    9,929.86/14,896.93 = 3,355.90/x
  3. Step 3: Cross multiply
    9,929.86x = 14,896.93 × 3,355.90
  4. Step 4: Simplify right side
    9,929.86x = 49,992,568.05
  5. Step 5: Solve for x
    x = 49,992,568.05/9,929.86
  6. Step 6: Final answer
    x = 5,034.57

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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.