Home / 8,172.96-12,259.44-2,329.56

Finding the Fourth Proportional to 8,172.96, 12,259.44 and 2,329.56

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Solution

The fourth proportional to 8,172.96, 12,259.44 and 2,329.56 is: 3,494.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,172.96 : 12,259.44 = 2,329.56 : x
  2. Step 2: Convert to fraction form
    8,172.96/12,259.44 = 2,329.56/x
  3. Step 3: Cross multiply
    8,172.96x = 12,259.44 × 2,329.56
  4. Step 4: Simplify right side
    8,172.96x = 28,559,101.05
  5. Step 5: Solve for x
    x = 28,559,101.05/8,172.96
  6. Step 6: Final answer
    x = 3,494.34

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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.