Home / 18,979.93-28,487.26-9,626.41

Finding the Fourth Proportional to 18,979.93, 28,487.26 and 9,626.41

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Solution

The fourth proportional to 18,979.93, 28,487.26 and 9,626.41 is: 14,448.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,979.93 : 28,487.26 = 9,626.41 : x
  2. Step 2: Convert to fraction form
    18,979.93/28,487.26 = 9,626.41/x
  3. Step 3: Cross multiply
    18,979.93x = 28,487.26 × 9,626.41
  4. Step 4: Simplify right side
    18,979.93x = 274,229,877.79
  5. Step 5: Solve for x
    x = 274,229,877.79/18,979.93
  6. Step 6: Final answer
    x = 14,448.41

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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.