Home / 11,687.09-16,128.57-6,583.48

Finding the Fourth Proportional to 11,687.09, 16,128.57 and 6,583.48

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Solution

The fourth proportional to 11,687.09, 16,128.57 and 6,583.48 is: 9,085.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,687.09 : 16,128.57 = 6,583.48 : x
  2. Step 2: Convert to fraction form
    11,687.09/16,128.57 = 6,583.48/x
  3. Step 3: Cross multiply
    11,687.09x = 16,128.57 × 6,583.48
  4. Step 4: Simplify right side
    11,687.09x = 106,182,061.24
  5. Step 5: Solve for x
    x = 106,182,061.24/11,687.09
  6. Step 6: Final answer
    x = 9,085.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.