Home / 22,845.98-34,185.88-18,860.18

Finding the Fourth Proportional to 22,845.98, 34,185.88 and 18,860.18

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Solution

The fourth proportional to 22,845.98, 34,185.88 and 18,860.18 is: 28,221.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,845.98 : 34,185.88 = 18,860.18 : x
  2. Step 2: Convert to fraction form
    22,845.98/34,185.88 = 18,860.18/x
  3. Step 3: Cross multiply
    22,845.98x = 34,185.88 × 18,860.18
  4. Step 4: Simplify right side
    22,845.98x = 644,751,702.90
  5. Step 5: Solve for x
    x = 644,751,702.90/22,845.98
  6. Step 6: Final answer
    x = 28,221.67

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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.