Home / 12,782.91-19,178.99-4,464.15

Finding the Fourth Proportional to 12,782.91, 19,178.99 and 4,464.15

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Solution

The fourth proportional to 12,782.91, 19,178.99 and 4,464.15 is: 6,697.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,782.91 : 19,178.99 = 4,464.15 : x
  2. Step 2: Convert to fraction form
    12,782.91/19,178.99 = 4,464.15/x
  3. Step 3: Cross multiply
    12,782.91x = 19,178.99 × 4,464.15
  4. Step 4: Simplify right side
    12,782.91x = 85,617,865.89
  5. Step 5: Solve for x
    x = 85,617,865.89/12,782.91
  6. Step 6: Final answer
    x = 6,697.84

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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.