Home / 14,190.35-21,285.31-4,836.89

Finding the Fourth Proportional to 14,190.35, 21,285.31 and 4,836.89

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Solution

The fourth proportional to 14,190.35, 21,285.31 and 4,836.89 is: 7,255.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,190.35 : 21,285.31 = 4,836.89 : x
  2. Step 2: Convert to fraction form
    14,190.35/21,285.31 = 4,836.89/x
  3. Step 3: Cross multiply
    14,190.35x = 21,285.31 × 4,836.89
  4. Step 4: Simplify right side
    14,190.35x = 102,954,584.57
  5. Step 5: Solve for x
    x = 102,954,584.57/14,190.35
  6. Step 6: Final answer
    x = 7,255.25

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1.5x scale

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.