Home / 18,895.44-26,070.99-12,172.98

Finding the Fourth Proportional to 18,895.44, 26,070.99 and 12,172.98

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Solution

The fourth proportional to 18,895.44, 26,070.99 and 12,172.98 is: 16,795.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,895.44 : 26,070.99 = 12,172.98 : x
  2. Step 2: Convert to fraction form
    18,895.44/26,070.99 = 12,172.98/x
  3. Step 3: Cross multiply
    18,895.44x = 26,070.99 × 12,172.98
  4. Step 4: Simplify right side
    18,895.44x = 317,361,639.85
  5. Step 5: Solve for x
    x = 317,361,639.85/18,895.44
  6. Step 6: Final answer
    x = 16,795.67

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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.