Home / 14,289.56-21,435.32-4,427.54

Finding the Fourth Proportional to 14,289.56, 21,435.32 and 4,427.54

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Solution

The fourth proportional to 14,289.56, 21,435.32 and 4,427.54 is: 6,641.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,289.56 : 21,435.32 = 4,427.54 : x
  2. Step 2: Convert to fraction form
    14,289.56/21,435.32 = 4,427.54/x
  3. Step 3: Cross multiply
    14,289.56x = 21,435.32 × 4,427.54
  4. Step 4: Simplify right side
    14,289.56x = 94,905,736.71
  5. Step 5: Solve for x
    x = 94,905,736.71/14,289.56
  6. Step 6: Final answer
    x = 6,641.61

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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.