Home / 23,189.03-34,752.80-12,105.05

Finding the Fourth Proportional to 23,189.03, 34,752.80 and 12,105.05

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Solution

The fourth proportional to 23,189.03, 34,752.80 and 12,105.05 is: 18,141.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,189.03 : 34,752.80 = 12,105.05 : x
  2. Step 2: Convert to fraction form
    23,189.03/34,752.80 = 12,105.05/x
  3. Step 3: Cross multiply
    23,189.03x = 34,752.80 × 12,105.05
  4. Step 4: Simplify right side
    23,189.03x = 420,684,170.05
  5. Step 5: Solve for x
    x = 420,684,170.05/23,189.03
  6. Step 6: Final answer
    x = 18,141.51

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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.