Home / 11,924.43-16,455.68-6,619.47

Finding the Fourth Proportional to 11,924.43, 16,455.68 and 6,619.47

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Solution

The fourth proportional to 11,924.43, 16,455.68 and 6,619.47 is: 9,134.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,924.43 : 16,455.68 = 6,619.47 : x
  2. Step 2: Convert to fraction form
    11,924.43/16,455.68 = 6,619.47/x
  3. Step 3: Cross multiply
    11,924.43x = 16,455.68 × 6,619.47
  4. Step 4: Simplify right side
    11,924.43x = 108,927,846.99
  5. Step 5: Solve for x
    x = 108,927,846.99/11,924.43
  6. Step 6: Final answer
    x = 9,134.85

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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.