Home / 11,924.80-16,453.26-6,618.28

Finding the Fourth Proportional to 11,924.80, 16,453.26 and 6,618.28

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Solution

The fourth proportional to 11,924.80, 16,453.26 and 6,618.28 is: 9,131.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,924.80 : 16,453.26 = 6,618.28 : x
  2. Step 2: Convert to fraction form
    11,924.80/16,453.26 = 6,618.28/x
  3. Step 3: Cross multiply
    11,924.80x = 16,453.26 × 6,618.28
  4. Step 4: Simplify right side
    11,924.80x = 108,892,281.59
  5. Step 5: Solve for x
    x = 108,892,281.59/11,924.80
  6. Step 6: Final answer
    x = 9,131.58

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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.