Home / 16,390.44-22,619.70-12,404.52

Finding the Fourth Proportional to 16,390.44, 22,619.70 and 12,404.52

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Solution

The fourth proportional to 16,390.44, 22,619.70 and 12,404.52 is: 17,118.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,390.44 : 22,619.70 = 12,404.52 : x
  2. Step 2: Convert to fraction form
    16,390.44/22,619.70 = 12,404.52/x
  3. Step 3: Cross multiply
    16,390.44x = 22,619.70 × 12,404.52
  4. Step 4: Simplify right side
    16,390.44x = 280,586,521.04
  5. Step 5: Solve for x
    x = 280,586,521.04/16,390.44
  6. Step 6: Final answer
    x = 17,118.91

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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.