Home / 13,194.40-19,789.44-4,878.32

Finding the Fourth Proportional to 13,194.40, 19,789.44 and 4,878.32

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Solution

The fourth proportional to 13,194.40, 19,789.44 and 4,878.32 is: 7,316.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,194.40 : 19,789.44 = 4,878.32 : x
  2. Step 2: Convert to fraction form
    13,194.40/19,789.44 = 4,878.32/x
  3. Step 3: Cross multiply
    13,194.40x = 19,789.44 × 4,878.32
  4. Step 4: Simplify right side
    13,194.40x = 96,539,220.94
  5. Step 5: Solve for x
    x = 96,539,220.94/13,194.40
  6. Step 6: Final answer
    x = 7,316.68

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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.