Home / 18,960.26-28,443.74-6,477.37

Finding the Fourth Proportional to 18,960.26, 28,443.74 and 6,477.37

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Solution

The fourth proportional to 18,960.26, 28,443.74 and 6,477.37 is: 9,717.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,960.26 : 28,443.74 = 6,477.37 : x
  2. Step 2: Convert to fraction form
    18,960.26/28,443.74 = 6,477.37/x
  3. Step 3: Cross multiply
    18,960.26x = 28,443.74 × 6,477.37
  4. Step 4: Simplify right side
    18,960.26x = 184,240,524.67
  5. Step 5: Solve for x
    x = 184,240,524.67/18,960.26
  6. Step 6: Final answer
    x = 9,717.20

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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.