Home / 19,791.44-29,690.40-9,399.68

Finding the Fourth Proportional to 19,791.44, 29,690.40 and 9,399.68

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Solution

The fourth proportional to 19,791.44, 29,690.40 and 9,399.68 is: 14,101.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,791.44 : 29,690.40 = 9,399.68 : x
  2. Step 2: Convert to fraction form
    19,791.44/29,690.40 = 9,399.68/x
  3. Step 3: Cross multiply
    19,791.44x = 29,690.40 × 9,399.68
  4. Step 4: Simplify right side
    19,791.44x = 279,080,259.07
  5. Step 5: Solve for x
    x = 279,080,259.07/19,791.44
  6. Step 6: Final answer
    x = 14,101.06

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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.