Home / 19,125.73-28,693.21-6,643.94

Finding the Fourth Proportional to 19,125.73, 28,693.21 and 6,643.94

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Solution

The fourth proportional to 19,125.73, 28,693.21 and 6,643.94 is: 9,967.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,125.73 : 28,693.21 = 6,643.94 : x
  2. Step 2: Convert to fraction form
    19,125.73/28,693.21 = 6,643.94/x
  3. Step 3: Cross multiply
    19,125.73x = 28,693.21 × 6,643.94
  4. Step 4: Simplify right side
    19,125.73x = 190,635,949.04
  5. Step 5: Solve for x
    x = 190,635,949.04/19,125.73
  6. Step 6: Final answer
    x = 9,967.51

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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.