Home / 11,396.86-17,095.89-3,605.06

Finding the Fourth Proportional to 11,396.86, 17,095.89 and 3,605.06

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Solution

The fourth proportional to 11,396.86, 17,095.89 and 3,605.06 is: 5,407.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,396.86 : 17,095.89 = 3,605.06 : x
  2. Step 2: Convert to fraction form
    11,396.86/17,095.89 = 3,605.06/x
  3. Step 3: Cross multiply
    11,396.86x = 17,095.89 × 3,605.06
  4. Step 4: Simplify right side
    11,396.86x = 61,631,765.46
  5. Step 5: Solve for x
    x = 61,631,765.46/11,396.86
  6. Step 6: Final answer
    x = 5,407.79

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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.