Home / 14,513.67-20,028.87-8,226.09

Finding the Fourth Proportional to 14,513.67, 20,028.87 and 8,226.09

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Solution

The fourth proportional to 14,513.67, 20,028.87 and 8,226.09 is: 11,352.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,513.67 : 20,028.87 = 8,226.09 : x
  2. Step 2: Convert to fraction form
    14,513.67/20,028.87 = 8,226.09/x
  3. Step 3: Cross multiply
    14,513.67x = 20,028.87 × 8,226.09
  4. Step 4: Simplify right side
    14,513.67x = 164,759,287.22
  5. Step 5: Solve for x
    x = 164,759,287.22/14,513.67
  6. Step 6: Final answer
    x = 11,352.01

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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.