Home / 20,168.03-27,834.36-12,213.02

Finding the Fourth Proportional to 20,168.03, 27,834.36 and 12,213.02

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Solution

The fourth proportional to 20,168.03, 27,834.36 and 12,213.02 is: 16,855.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,168.03 : 27,834.36 = 12,213.02 : x
  2. Step 2: Convert to fraction form
    20,168.03/27,834.36 = 12,213.02/x
  3. Step 3: Cross multiply
    20,168.03x = 27,834.36 × 12,213.02
  4. Step 4: Simplify right side
    20,168.03x = 339,941,595.37
  5. Step 5: Solve for x
    x = 339,941,595.37/20,168.03
  6. Step 6: Final answer
    x = 16,855.47

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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.