Home / 8,971.39-13,450.37-6,190.12

Finding the Fourth Proportional to 8,971.39, 13,450.37 and 6,190.12

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Solution

The fourth proportional to 8,971.39, 13,450.37 and 6,190.12 is: 9,280.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,971.39 : 13,450.37 = 6,190.12 : x
  2. Step 2: Convert to fraction form
    8,971.39/13,450.37 = 6,190.12/x
  3. Step 3: Cross multiply
    8,971.39x = 13,450.37 × 6,190.12
  4. Step 4: Simplify right side
    8,971.39x = 83,259,339.77
  5. Step 5: Solve for x
    x = 83,259,339.77/8,971.39
  6. Step 6: Final answer
    x = 9,280.54

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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.