Home / 12,974.64-19,452.84-4,539.09

Finding the Fourth Proportional to 12,974.64, 19,452.84 and 4,539.09

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Solution

The fourth proportional to 12,974.64, 19,452.84 and 4,539.09 is: 6,805.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,974.64 : 19,452.84 = 4,539.09 : x
  2. Step 2: Convert to fraction form
    12,974.64/19,452.84 = 4,539.09/x
  3. Step 3: Cross multiply
    12,974.64x = 19,452.84 × 4,539.09
  4. Step 4: Simplify right side
    12,974.64x = 88,298,191.52
  5. Step 5: Solve for x
    x = 88,298,191.52/12,974.64
  6. Step 6: Final answer
    x = 6,805.44

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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.