Home / 13,245.35-19,868.01-3,384.64

Finding the Fourth Proportional to 13,245.35, 19,868.01 and 3,384.64

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Solution

The fourth proportional to 13,245.35, 19,868.01 and 3,384.64 is: 5,076.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,245.35 : 19,868.01 = 3,384.64 : x
  2. Step 2: Convert to fraction form
    13,245.35/19,868.01 = 3,384.64/x
  3. Step 3: Cross multiply
    13,245.35x = 19,868.01 × 3,384.64
  4. Step 4: Simplify right side
    13,245.35x = 67,246,061.37
  5. Step 5: Solve for x
    x = 67,246,061.37/13,245.35
  6. Step 6: Final answer
    x = 5,076.96

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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.