Home / 12,471.30-18,690.57-5,067.09

Finding the Fourth Proportional to 12,471.30, 18,690.57 and 5,067.09

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Solution

The fourth proportional to 12,471.30, 18,690.57 and 5,067.09 is: 7,593.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,471.30 : 18,690.57 = 5,067.09 : x
  2. Step 2: Convert to fraction form
    12,471.30/18,690.57 = 5,067.09/x
  3. Step 3: Cross multiply
    12,471.30x = 18,690.57 × 5,067.09
  4. Step 4: Simplify right side
    12,471.30x = 94,706,800.34
  5. Step 5: Solve for x
    x = 94,706,800.34/12,471.30
  6. Step 6: Final answer
    x = 7,593.98

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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.