Home / 13,618.50-20,427.19-4,735.84

Finding the Fourth Proportional to 13,618.50, 20,427.19 and 4,735.84

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Solution

The fourth proportional to 13,618.50, 20,427.19 and 4,735.84 is: 7,103.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,618.50 : 20,427.19 = 4,735.84 : x
  2. Step 2: Convert to fraction form
    13,618.50/20,427.19 = 4,735.84/x
  3. Step 3: Cross multiply
    13,618.50x = 20,427.19 × 4,735.84
  4. Step 4: Simplify right side
    13,618.50x = 96,739,936.33
  5. Step 5: Solve for x
    x = 96,739,936.33/13,618.50
  6. Step 6: Final answer
    x = 7,103.57

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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.