Home / 9,384.16-14,078.32-3,540.80

Finding the Fourth Proportional to 9,384.16, 14,078.32 and 3,540.80

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Solution

The fourth proportional to 9,384.16, 14,078.32 and 3,540.80 is: 5,311.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,384.16 : 14,078.32 = 3,540.80 : x
  2. Step 2: Convert to fraction form
    9,384.16/14,078.32 = 3,540.80/x
  3. Step 3: Cross multiply
    9,384.16x = 14,078.32 × 3,540.80
  4. Step 4: Simplify right side
    9,384.16x = 49,848,515.46
  5. Step 5: Solve for x
    x = 49,848,515.46/9,384.16
  6. Step 6: Final answer
    x = 5,311.98

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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.