Home / 13,055.20-19,582.80-3,194.35

Finding the Fourth Proportional to 13,055.20, 19,582.80 and 3,194.35

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Solution

The fourth proportional to 13,055.20, 19,582.80 and 3,194.35 is: 4,791.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,055.20 : 19,582.80 = 3,194.35 : x
  2. Step 2: Convert to fraction form
    13,055.20/19,582.80 = 3,194.35/x
  3. Step 3: Cross multiply
    13,055.20x = 19,582.80 × 3,194.35
  4. Step 4: Simplify right side
    13,055.20x = 62,554,317.18
  5. Step 5: Solve for x
    x = 62,554,317.18/13,055.20
  6. Step 6: Final answer
    x = 4,791.53

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Similar ratio
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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.