Home / 19,092.80-28,626.88-9,212.48

Finding the Fourth Proportional to 19,092.80, 28,626.88 and 9,212.48

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Solution

The fourth proportional to 19,092.80, 28,626.88 and 9,212.48 is: 13,812.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,092.80 : 28,626.88 = 9,212.48 : x
  2. Step 2: Convert to fraction form
    19,092.80/28,626.88 = 9,212.48/x
  3. Step 3: Cross multiply
    19,092.80x = 28,626.88 × 9,212.48
  4. Step 4: Simplify right side
    19,092.80x = 263,724,559.46
  5. Step 5: Solve for x
    x = 263,724,559.46/19,092.80
  6. Step 6: Final answer
    x = 13,812.78

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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.