Home / 13,519.38-20,279.06-9,845.00

Finding the Fourth Proportional to 13,519.38, 20,279.06 and 9,845.00

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Solution

The fourth proportional to 13,519.38, 20,279.06 and 9,845.00 is: 14,767.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,519.38 : 20,279.06 = 9,845.00 : x
  2. Step 2: Convert to fraction form
    13,519.38/20,279.06 = 9,845.00/x
  3. Step 3: Cross multiply
    13,519.38x = 20,279.06 × 9,845.00
  4. Step 4: Simplify right side
    13,519.38x = 199,647,308.04
  5. Step 5: Solve for x
    x = 199,647,308.04/13,519.38
  6. Step 6: Final answer
    x = 14,767.49

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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.