Home / 13,384.09-20,076.36-3,523.00

Finding the Fourth Proportional to 13,384.09, 20,076.36 and 3,523.00

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Solution

The fourth proportional to 13,384.09, 20,076.36 and 3,523.00 is: 5,284.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,384.09 : 20,076.36 = 3,523.00 : x
  2. Step 2: Convert to fraction form
    13,384.09/20,076.36 = 3,523.00/x
  3. Step 3: Cross multiply
    13,384.09x = 20,076.36 × 3,523.00
  4. Step 4: Simplify right side
    13,384.09x = 70,728,915.90
  5. Step 5: Solve for x
    x = 70,728,915.90/13,384.09
  6. Step 6: Final answer
    x = 5,284.55

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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.