Home / 18,846.36-28,269.77-4,806.36

Finding the Fourth Proportional to 18,846.36, 28,269.77 and 4,806.36

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Solution

The fourth proportional to 18,846.36, 28,269.77 and 4,806.36 is: 7,209.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,846.36 : 28,269.77 = 4,806.36 : x
  2. Step 2: Convert to fraction form
    18,846.36/28,269.77 = 4,806.36/x
  3. Step 3: Cross multiply
    18,846.36x = 28,269.77 × 4,806.36
  4. Step 4: Simplify right side
    18,846.36x = 135,874,667.71
  5. Step 5: Solve for x
    x = 135,874,667.71/18,846.36
  6. Step 6: Final answer
    x = 7,209.60

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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.