Home / 15,899.39-23,849.60-7,997.60

Finding the Fourth Proportional to 15,899.39, 23,849.60 and 7,997.60

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Solution

The fourth proportional to 15,899.39, 23,849.60 and 7,997.60 is: 11,996.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,899.39 : 23,849.60 = 7,997.60 : x
  2. Step 2: Convert to fraction form
    15,899.39/23,849.60 = 7,997.60/x
  3. Step 3: Cross multiply
    15,899.39x = 23,849.60 × 7,997.60
  4. Step 4: Simplify right side
    15,899.39x = 190,739,401.72
  5. Step 5: Solve for x
    x = 190,739,401.72/15,899.39
  6. Step 6: Final answer
    x = 11,996.65

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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.