Home / 13,384.53-20,076.80-5,589.09

Finding the Fourth Proportional to 13,384.53, 20,076.80 and 5,589.09

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Solution

The fourth proportional to 13,384.53, 20,076.80 and 5,589.09 is: 8,383.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,384.53 : 20,076.80 = 5,589.09 : x
  2. Step 2: Convert to fraction form
    13,384.53/20,076.80 = 5,589.09/x
  3. Step 3: Cross multiply
    13,384.53x = 20,076.80 × 5,589.09
  4. Step 4: Simplify right side
    13,384.53x = 112,211,014.17
  5. Step 5: Solve for x
    x = 112,211,014.17/13,384.53
  6. Step 6: Final answer
    x = 8,383.64

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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.