Home / 13,749.97-20,611.80-4,384.83

Finding the Fourth Proportional to 13,749.97, 20,611.80 and 4,384.83

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Solution

The fourth proportional to 13,749.97, 20,611.80 and 4,384.83 is: 6,573.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,749.97 : 20,611.80 = 4,384.83 : x
  2. Step 2: Convert to fraction form
    13,749.97/20,611.80 = 4,384.83/x
  3. Step 3: Cross multiply
    13,749.97x = 20,611.80 × 4,384.83
  4. Step 4: Simplify right side
    13,749.97x = 90,379,217.07
  5. Step 5: Solve for x
    x = 90,379,217.07/13,749.97
  6. Step 6: Final answer
    x = 6,573.05

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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.