Home / 9,939.48-14,912.46-4,744.68

Finding the Fourth Proportional to 9,939.48, 14,912.46 and 4,744.68

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Solution

The fourth proportional to 9,939.48, 14,912.46 and 4,744.68 is: 7,118.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,939.48 : 14,912.46 = 4,744.68 : x
  2. Step 2: Convert to fraction form
    9,939.48/14,912.46 = 4,744.68/x
  3. Step 3: Cross multiply
    9,939.48x = 14,912.46 × 4,744.68
  4. Step 4: Simplify right side
    9,939.48x = 70,754,850.71
  5. Step 5: Solve for x
    x = 70,754,850.71/9,939.48
  6. Step 6: Final answer
    x = 7,118.57

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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.