Home / 14,618.61-20,173.37-8,245.22

Finding the Fourth Proportional to 14,618.61, 20,173.37 and 8,245.22

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Solution

The fourth proportional to 14,618.61, 20,173.37 and 8,245.22 is: 11,378.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,618.61 : 20,173.37 = 8,245.22 : x
  2. Step 2: Convert to fraction form
    14,618.61/20,173.37 = 8,245.22/x
  3. Step 3: Cross multiply
    14,618.61x = 20,173.37 × 8,245.22
  4. Step 4: Simplify right side
    14,618.61x = 166,333,731.70
  5. Step 5: Solve for x
    x = 166,333,731.70/14,618.61
  6. Step 6: Final answer
    x = 11,378.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.