Home / 11,687.24-17,537.80-4,670.57

Finding the Fourth Proportional to 11,687.24, 17,537.80 and 4,670.57

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Solution

The fourth proportional to 11,687.24, 17,537.80 and 4,670.57 is: 7,008.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,687.24 : 17,537.80 = 4,670.57 : x
  2. Step 2: Convert to fraction form
    11,687.24/17,537.80 = 4,670.57/x
  3. Step 3: Cross multiply
    11,687.24x = 17,537.80 × 4,670.57
  4. Step 4: Simplify right side
    11,687.24x = 81,911,522.55
  5. Step 5: Solve for x
    x = 81,911,522.55/11,687.24
  6. Step 6: Final answer
    x = 7,008.63

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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.