Home / 13,620.84-20,395.60-8,926.08

Finding the Fourth Proportional to 13,620.84, 20,395.60 and 8,926.08

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Solution

The fourth proportional to 13,620.84, 20,395.60 and 8,926.08 is: 13,365.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,620.84 : 20,395.60 = 8,926.08 : x
  2. Step 2: Convert to fraction form
    13,620.84/20,395.60 = 8,926.08/x
  3. Step 3: Cross multiply
    13,620.84x = 20,395.60 × 8,926.08
  4. Step 4: Simplify right side
    13,620.84x = 182,052,757.25
  5. Step 5: Solve for x
    x = 182,052,757.25/13,620.84
  6. Step 6: Final answer
    x = 13,365.75

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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.