Home / 13,512.69-18,647.60-7,544.03

Finding the Fourth Proportional to 13,512.69, 18,647.60 and 7,544.03

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Solution

The fourth proportional to 13,512.69, 18,647.60 and 7,544.03 is: 10,410.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,512.69 : 18,647.60 = 7,544.03 : x
  2. Step 2: Convert to fraction form
    13,512.69/18,647.60 = 7,544.03/x
  3. Step 3: Cross multiply
    13,512.69x = 18,647.60 × 7,544.03
  4. Step 4: Simplify right side
    13,512.69x = 140,677,922.87
  5. Step 5: Solve for x
    x = 140,677,922.87/13,512.69
  6. Step 6: Final answer
    x = 10,410.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.