Home / 14,918.38-20,579.26-9,251.21

Finding the Fourth Proportional to 14,918.38, 20,579.26 and 9,251.21

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Solution

The fourth proportional to 14,918.38, 20,579.26 and 9,251.21 is: 12,761.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,918.38 : 20,579.26 = 9,251.21 : x
  2. Step 2: Convert to fraction form
    14,918.38/20,579.26 = 9,251.21/x
  3. Step 3: Cross multiply
    14,918.38x = 20,579.26 × 9,251.21
  4. Step 4: Simplify right side
    14,918.38x = 190,383,055.90
  5. Step 5: Solve for x
    x = 190,383,055.90/14,918.38
  6. Step 6: Final answer
    x = 12,761.64

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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.