Home / 13,245.19-19,867.73-3,384.45

Finding the Fourth Proportional to 13,245.19, 19,867.73 and 3,384.45

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Solution

The fourth proportional to 13,245.19, 19,867.73 and 3,384.45 is: 5,076.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,245.19 : 19,867.73 = 3,384.45 : x
  2. Step 2: Convert to fraction form
    13,245.19/19,867.73 = 3,384.45/x
  3. Step 3: Cross multiply
    13,245.19x = 19,867.73 × 3,384.45
  4. Step 4: Simplify right side
    13,245.19x = 67,241,321.88
  5. Step 5: Solve for x
    x = 67,241,321.88/13,245.19
  6. Step 6: Final answer
    x = 5,076.66

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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.