Home / 15,504.82-23,230.48-8,489.89

Finding the Fourth Proportional to 15,504.82, 23,230.48 and 8,489.89

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Solution

The fourth proportional to 15,504.82, 23,230.48 and 8,489.89 is: 12,720.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,504.82 : 23,230.48 = 8,489.89 : x
  2. Step 2: Convert to fraction form
    15,504.82/23,230.48 = 8,489.89/x
  3. Step 3: Cross multiply
    15,504.82x = 23,230.48 × 8,489.89
  4. Step 4: Simplify right side
    15,504.82x = 197,224,219.85
  5. Step 5: Solve for x
    x = 197,224,219.85/15,504.82
  6. Step 6: Final answer
    x = 12,720.19

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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.