Home / 19,126.80-28,690.22-5,979.24

Finding the Fourth Proportional to 19,126.80, 28,690.22 and 5,979.24

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Solution

The fourth proportional to 19,126.80, 28,690.22 and 5,979.24 is: 8,968.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,126.80 : 28,690.22 = 5,979.24 : x
  2. Step 2: Convert to fraction form
    19,126.80/28,690.22 = 5,979.24/x
  3. Step 3: Cross multiply
    19,126.80x = 28,690.22 × 5,979.24
  4. Step 4: Simplify right side
    19,126.80x = 171,545,711.03
  5. Step 5: Solve for x
    x = 171,545,711.03/19,126.80
  6. Step 6: Final answer
    x = 8,968.87

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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.