Home / 9,889.56-14,833.98-3,315.60

Finding the Fourth Proportional to 9,889.56, 14,833.98 and 3,315.60

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Solution

The fourth proportional to 9,889.56, 14,833.98 and 3,315.60 is: 4,973.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,889.56 : 14,833.98 = 3,315.60 : x
  2. Step 2: Convert to fraction form
    9,889.56/14,833.98 = 3,315.60/x
  3. Step 3: Cross multiply
    9,889.56x = 14,833.98 × 3,315.60
  4. Step 4: Simplify right side
    9,889.56x = 49,183,544.09
  5. Step 5: Solve for x
    x = 49,183,544.09/9,889.56
  6. Step 6: Final answer
    x = 4,973.28

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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.