Home / 11,670.17-17,500.68-5,091.89

Finding the Fourth Proportional to 11,670.17, 17,500.68 and 5,091.89

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Solution

The fourth proportional to 11,670.17, 17,500.68 and 5,091.89 is: 7,635.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,670.17 : 17,500.68 = 5,091.89 : x
  2. Step 2: Convert to fraction form
    11,670.17/17,500.68 = 5,091.89/x
  3. Step 3: Cross multiply
    11,670.17x = 17,500.68 × 5,091.89
  4. Step 4: Simplify right side
    11,670.17x = 89,111,449.98
  5. Step 5: Solve for x
    x = 89,111,449.98/11,670.17
  6. Step 6: Final answer
    x = 7,635.83

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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.