Home / 13,878.01-20,817.27-4,517.99

Finding the Fourth Proportional to 13,878.01, 20,817.27 and 4,517.99

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Solution

The fourth proportional to 13,878.01, 20,817.27 and 4,517.99 is: 6,777.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,878.01 : 20,817.27 = 4,517.99 : x
  2. Step 2: Convert to fraction form
    13,878.01/20,817.27 = 4,517.99/x
  3. Step 3: Cross multiply
    13,878.01x = 20,817.27 × 4,517.99
  4. Step 4: Simplify right side
    13,878.01x = 94,052,217.69
  5. Step 5: Solve for x
    x = 94,052,217.69/13,878.01
  6. Step 6: Final answer
    x = 6,777.07

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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.