Home / 16,918.98-25,377.88-4,438.91

Finding the Fourth Proportional to 16,918.98, 25,377.88 and 4,438.91

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Solution

The fourth proportional to 16,918.98, 25,377.88 and 4,438.91 is: 6,658.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,918.98 : 25,377.88 = 4,438.91 : x
  2. Step 2: Convert to fraction form
    16,918.98/25,377.88 = 4,438.91/x
  3. Step 3: Cross multiply
    16,918.98x = 25,377.88 × 4,438.91
  4. Step 4: Simplify right side
    16,918.98x = 112,650,125.31
  5. Step 5: Solve for x
    x = 112,650,125.31/16,918.98
  6. Step 6: Final answer
    x = 6,658.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.