Home / 18,744.07-28,116.47-4,893.43

Finding the Fourth Proportional to 18,744.07, 28,116.47 and 4,893.43

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Solution

The fourth proportional to 18,744.07, 28,116.47 and 4,893.43 is: 7,340.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,744.07 : 28,116.47 = 4,893.43 : x
  2. Step 2: Convert to fraction form
    18,744.07/28,116.47 = 4,893.43/x
  3. Step 3: Cross multiply
    18,744.07x = 28,116.47 × 4,893.43
  4. Step 4: Simplify right side
    18,744.07x = 137,585,953.32
  5. Step 5: Solve for x
    x = 137,585,953.32/18,744.07
  6. Step 6: Final answer
    x = 7,340.24

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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.