Home / 12,788.77-19,181.94-4,467.25

Finding the Fourth Proportional to 12,788.77, 19,181.94 and 4,467.25

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Solution

The fourth proportional to 12,788.77, 19,181.94 and 4,467.25 is: 6,700.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,788.77 : 19,181.94 = 4,467.25 : x
  2. Step 2: Convert to fraction form
    12,788.77/19,181.94 = 4,467.25/x
  3. Step 3: Cross multiply
    12,788.77x = 19,181.94 × 4,467.25
  4. Step 4: Simplify right side
    12,788.77x = 85,690,521.47
  5. Step 5: Solve for x
    x = 85,690,521.47/12,788.77
  6. Step 6: Final answer
    x = 6,700.45

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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.