Home / 13,759.04-20,647.48-4,993.20

Finding the Fourth Proportional to 13,759.04, 20,647.48 and 4,993.20

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Solution

The fourth proportional to 13,759.04, 20,647.48 and 4,993.20 is: 7,493.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,759.04 : 20,647.48 = 4,993.20 : x
  2. Step 2: Convert to fraction form
    13,759.04/20,647.48 = 4,993.20/x
  3. Step 3: Cross multiply
    13,759.04x = 20,647.48 × 4,993.20
  4. Step 4: Simplify right side
    13,759.04x = 103,096,997.14
  5. Step 5: Solve for x
    x = 103,096,997.14/13,759.04
  6. Step 6: Final answer
    x = 7,493.04

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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.