Home / 14,376.39-21,564.57-6,469.66

Finding the Fourth Proportional to 14,376.39, 21,564.57 and 6,469.66

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Solution

The fourth proportional to 14,376.39, 21,564.57 and 6,469.66 is: 9,704.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,376.39 : 21,564.57 = 6,469.66 : x
  2. Step 2: Convert to fraction form
    14,376.39/21,564.57 = 6,469.66/x
  3. Step 3: Cross multiply
    14,376.39x = 21,564.57 × 6,469.66
  4. Step 4: Simplify right side
    14,376.39x = 139,515,435.95
  5. Step 5: Solve for x
    x = 139,515,435.95/14,376.39
  6. Step 6: Final answer
    x = 9,704.48

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1.5x scale

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.