Home / 17,469.12-26,226.72-8,119.20

Finding the Fourth Proportional to 17,469.12, 26,226.72 and 8,119.20

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Solution

The fourth proportional to 17,469.12, 26,226.72 and 8,119.20 is: 12,189.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,469.12 : 26,226.72 = 8,119.20 : x
  2. Step 2: Convert to fraction form
    17,469.12/26,226.72 = 8,119.20/x
  3. Step 3: Cross multiply
    17,469.12x = 26,226.72 × 8,119.20
  4. Step 4: Simplify right side
    17,469.12x = 212,939,985.02
  5. Step 5: Solve for x
    x = 212,939,985.02/17,469.12
  6. Step 6: Final answer
    x = 12,189.51

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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.