Home / 9,918.33-14,861.09-4,977.54

Finding the Fourth Proportional to 9,918.33, 14,861.09 and 4,977.54

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Solution

The fourth proportional to 9,918.33, 14,861.09 and 4,977.54 is: 7,458.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,918.33 : 14,861.09 = 4,977.54 : x
  2. Step 2: Convert to fraction form
    9,918.33/14,861.09 = 4,977.54/x
  3. Step 3: Cross multiply
    9,918.33x = 14,861.09 × 4,977.54
  4. Step 4: Simplify right side
    9,918.33x = 73,971,645.03
  5. Step 5: Solve for x
    x = 73,971,645.03/9,918.33
  6. Step 6: Final answer
    x = 7,458.07

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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.