Home / 19,126.60-28,690.71-5,979.22

Finding the Fourth Proportional to 19,126.60, 28,690.71 and 5,979.22

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Solution

The fourth proportional to 19,126.60, 28,690.71 and 5,979.22 is: 8,969.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,126.60 : 28,690.71 = 5,979.22 : x
  2. Step 2: Convert to fraction form
    19,126.60/28,690.71 = 5,979.22/x
  3. Step 3: Cross multiply
    19,126.60x = 28,690.71 × 5,979.22
  4. Step 4: Simplify right side
    19,126.60x = 171,548,067.05
  5. Step 5: Solve for x
    x = 171,548,067.05/19,126.60
  6. Step 6: Final answer
    x = 8,969.08

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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.