Home / 8,692.96-13,039.36-3,144.23

Finding the Fourth Proportional to 8,692.96, 13,039.36 and 3,144.23

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Solution

The fourth proportional to 8,692.96, 13,039.36 and 3,144.23 is: 4,716.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,692.96 : 13,039.36 = 3,144.23 : x
  2. Step 2: Convert to fraction form
    8,692.96/13,039.36 = 3,144.23/x
  3. Step 3: Cross multiply
    8,692.96x = 13,039.36 × 3,144.23
  4. Step 4: Simplify right side
    8,692.96x = 40,998,746.89
  5. Step 5: Solve for x
    x = 40,998,746.89/8,692.96
  6. Step 6: Final answer
    x = 4,716.32

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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.