Home / 18,161.44-27,190.18-12,307.64

Finding the Fourth Proportional to 18,161.44, 27,190.18 and 12,307.64

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Solution

The fourth proportional to 18,161.44, 27,190.18 and 12,307.64 is: 18,426.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,161.44 : 27,190.18 = 12,307.64 : x
  2. Step 2: Convert to fraction form
    18,161.44/27,190.18 = 12,307.64/x
  3. Step 3: Cross multiply
    18,161.44x = 27,190.18 × 12,307.64
  4. Step 4: Simplify right side
    18,161.44x = 334,646,946.98
  5. Step 5: Solve for x
    x = 334,646,946.98/18,161.44
  6. Step 6: Final answer
    x = 18,426.23

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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.