Home / 13,586.94-20,383.50-4,821.84

Finding the Fourth Proportional to 13,586.94, 20,383.50 and 4,821.84

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Solution

The fourth proportional to 13,586.94, 20,383.50 and 4,821.84 is: 7,233.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,586.94 : 20,383.50 = 4,821.84 : x
  2. Step 2: Convert to fraction form
    13,586.94/20,383.50 = 4,821.84/x
  3. Step 3: Cross multiply
    13,586.94x = 20,383.50 × 4,821.84
  4. Step 4: Simplify right side
    13,586.94x = 98,285,975.64
  5. Step 5: Solve for x
    x = 98,285,975.64/13,586.94
  6. Step 6: Final answer
    x = 7,233.86

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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.