Home / 20,575.82-30,857.24-13,074.14

Finding the Fourth Proportional to 20,575.82, 30,857.24 and 13,074.14

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Solution

The fourth proportional to 20,575.82, 30,857.24 and 13,074.14 is: 19,607.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,575.82 : 30,857.24 = 13,074.14 : x
  2. Step 2: Convert to fraction form
    20,575.82/30,857.24 = 13,074.14/x
  3. Step 3: Cross multiply
    20,575.82x = 30,857.24 × 13,074.14
  4. Step 4: Simplify right side
    20,575.82x = 403,431,875.77
  5. Step 5: Solve for x
    x = 403,431,875.77/20,575.82
  6. Step 6: Final answer
    x = 19,607.09

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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.