Home / 16,669.91-22,996.63-11,890.91

Finding the Fourth Proportional to 16,669.91, 22,996.63 and 11,890.91

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Solution

The fourth proportional to 16,669.91, 22,996.63 and 11,890.91 is: 16,403.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,669.91 : 22,996.63 = 11,890.91 : x
  2. Step 2: Convert to fraction form
    16,669.91/22,996.63 = 11,890.91/x
  3. Step 3: Cross multiply
    16,669.91x = 22,996.63 × 11,890.91
  4. Step 4: Simplify right side
    16,669.91x = 273,450,857.63
  5. Step 5: Solve for x
    x = 273,450,857.63/16,669.91
  6. Step 6: Final answer
    x = 16,403.86

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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.