Home / 13,896.91-20,847.53-4,660.75

Finding the Fourth Proportional to 13,896.91, 20,847.53 and 4,660.75

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Solution

The fourth proportional to 13,896.91, 20,847.53 and 4,660.75 is: 6,991.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,896.91 : 20,847.53 = 4,660.75 : x
  2. Step 2: Convert to fraction form
    13,896.91/20,847.53 = 4,660.75/x
  3. Step 3: Cross multiply
    13,896.91x = 20,847.53 × 4,660.75
  4. Step 4: Simplify right side
    13,896.91x = 97,165,125.45
  5. Step 5: Solve for x
    x = 97,165,125.45/13,896.91
  6. Step 6: Final answer
    x = 6,991.85

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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.