Home / 12,284.10-18,418.50-5,268.60

Finding the Fourth Proportional to 12,284.10, 18,418.50 and 5,268.60

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Solution

The fourth proportional to 12,284.10, 18,418.50 and 5,268.60 is: 7,899.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,284.10 : 18,418.50 = 5,268.60 : x
  2. Step 2: Convert to fraction form
    12,284.10/18,418.50 = 5,268.60/x
  3. Step 3: Cross multiply
    12,284.10x = 18,418.50 × 5,268.60
  4. Step 4: Simplify right side
    12,284.10x = 97,039,709.10
  5. Step 5: Solve for x
    x = 97,039,709.10/12,284.10
  6. Step 6: Final answer
    x = 7,899.62

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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.