Home / 11,950.04-16,490.97-6,644.81

Finding the Fourth Proportional to 11,950.04, 16,490.97 and 6,644.81

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Solution

The fourth proportional to 11,950.04, 16,490.97 and 6,644.81 is: 9,169.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,950.04 : 16,490.97 = 6,644.81 : x
  2. Step 2: Convert to fraction form
    11,950.04/16,490.97 = 6,644.81/x
  3. Step 3: Cross multiply
    11,950.04x = 16,490.97 × 6,644.81
  4. Step 4: Simplify right side
    11,950.04x = 109,579,403.59
  5. Step 5: Solve for x
    x = 109,579,403.59/11,950.04
  6. Step 6: Final answer
    x = 9,169.79

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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.