Home / 19,907.35-29,850.95-8,817.44

Finding the Fourth Proportional to 19,907.35, 29,850.95 and 8,817.44

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Solution

The fourth proportional to 19,907.35, 29,850.95 and 8,817.44 is: 13,221.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,907.35 : 29,850.95 = 8,817.44 : x
  2. Step 2: Convert to fraction form
    19,907.35/29,850.95 = 8,817.44/x
  3. Step 3: Cross multiply
    19,907.35x = 29,850.95 × 8,817.44
  4. Step 4: Simplify right side
    19,907.35x = 263,208,811.31
  5. Step 5: Solve for x
    x = 263,208,811.31/19,907.35
  6. Step 6: Final answer
    x = 13,221.69

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1.5x scale

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.