Home / 9,917.54-14,877.68-3,345.60

Finding the Fourth Proportional to 9,917.54, 14,877.68 and 3,345.60

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Solution

The fourth proportional to 9,917.54, 14,877.68 and 3,345.60 is: 5,018.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,917.54 : 14,877.68 = 3,345.60 : x
  2. Step 2: Convert to fraction form
    9,917.54/14,877.68 = 3,345.60/x
  3. Step 3: Cross multiply
    9,917.54x = 14,877.68 × 3,345.60
  4. Step 4: Simplify right side
    9,917.54x = 49,774,766.21
  5. Step 5: Solve for x
    x = 49,774,766.21/9,917.54
  6. Step 6: Final answer
    x = 5,018.86

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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.