Home / 12,996.23-19,490.88-3,635.67

Finding the Fourth Proportional to 12,996.23, 19,490.88 and 3,635.67

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Solution

The fourth proportional to 12,996.23, 19,490.88 and 3,635.67 is: 5,452.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,996.23 : 19,490.88 = 3,635.67 : x
  2. Step 2: Convert to fraction form
    12,996.23/19,490.88 = 3,635.67/x
  3. Step 3: Cross multiply
    12,996.23x = 19,490.88 × 3,635.67
  4. Step 4: Simplify right side
    12,996.23x = 70,862,310.24
  5. Step 5: Solve for x
    x = 70,862,310.24/12,996.23
  6. Step 6: Final answer
    x = 5,452.53

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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.