Home / 9,958.78-14,938.19-4,115.54

Finding the Fourth Proportional to 9,958.78, 14,938.19 and 4,115.54

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Solution

The fourth proportional to 9,958.78, 14,938.19 and 4,115.54 is: 6,173.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,958.78 : 14,938.19 = 4,115.54 : x
  2. Step 2: Convert to fraction form
    9,958.78/14,938.19 = 4,115.54/x
  3. Step 3: Cross multiply
    9,958.78x = 14,938.19 × 4,115.54
  4. Step 4: Simplify right side
    9,958.78x = 61,478,750.67
  5. Step 5: Solve for x
    x = 61,478,750.67/9,958.78
  6. Step 6: Final answer
    x = 6,173.32

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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.