Home / 12,784.56-19,179.84-4,019.44

Finding the Fourth Proportional to 12,784.56, 19,179.84 and 4,019.44

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Solution

The fourth proportional to 12,784.56, 19,179.84 and 4,019.44 is: 6,030.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,784.56 : 19,179.84 = 4,019.44 : x
  2. Step 2: Convert to fraction form
    12,784.56/19,179.84 = 4,019.44/x
  3. Step 3: Cross multiply
    12,784.56x = 19,179.84 × 4,019.44
  4. Step 4: Simplify right side
    12,784.56x = 77,092,216.09
  5. Step 5: Solve for x
    x = 77,092,216.09/12,784.56
  6. Step 6: Final answer
    x = 6,030.10

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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.