Home / 12,402.45-18,596.67-4,080.22

Finding the Fourth Proportional to 12,402.45, 18,596.67 and 4,080.22

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Solution

The fourth proportional to 12,402.45, 18,596.67 and 4,080.22 is: 6,118.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,402.45 : 18,596.67 = 4,080.22 : x
  2. Step 2: Convert to fraction form
    12,402.45/18,596.67 = 4,080.22/x
  3. Step 3: Cross multiply
    12,402.45x = 18,596.67 × 4,080.22
  4. Step 4: Simplify right side
    12,402.45x = 75,878,504.87
  5. Step 5: Solve for x
    x = 75,878,504.87/12,402.45
  6. Step 6: Final answer
    x = 6,118.03

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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.