Home / 19,218.54-28,825.38-7,539.96

Finding the Fourth Proportional to 19,218.54, 28,825.38 and 7,539.96

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Solution

The fourth proportional to 19,218.54, 28,825.38 and 7,539.96 is: 11,308.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,218.54 : 28,825.38 = 7,539.96 : x
  2. Step 2: Convert to fraction form
    19,218.54/28,825.38 = 7,539.96/x
  3. Step 3: Cross multiply
    19,218.54x = 28,825.38 × 7,539.96
  4. Step 4: Simplify right side
    19,218.54x = 217,342,212.18
  5. Step 5: Solve for x
    x = 217,342,212.18/19,218.54
  6. Step 6: Final answer
    x = 11,308.99

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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.