Home / 15,283.09-22,919.16-8,268.29

Finding the Fourth Proportional to 15,283.09, 22,919.16 and 8,268.29

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Solution

The fourth proportional to 15,283.09, 22,919.16 and 8,268.29 is: 12,399.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,283.09 : 22,919.16 = 8,268.29 : x
  2. Step 2: Convert to fraction form
    15,283.09/22,919.16 = 8,268.29/x
  3. Step 3: Cross multiply
    15,283.09x = 22,919.16 × 8,268.29
  4. Step 4: Simplify right side
    15,283.09x = 189,502,261.44
  5. Step 5: Solve for x
    x = 189,502,261.44/15,283.09
  6. Step 6: Final answer
    x = 12,399.47

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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.