Home / 13,247.34-19,861.83-11,180.76

Finding the Fourth Proportional to 13,247.34, 19,861.83 and 11,180.76

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Solution

The fourth proportional to 13,247.34, 19,861.83 and 11,180.76 is: 16,763.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,247.34 : 19,861.83 = 11,180.76 : x
  2. Step 2: Convert to fraction form
    13,247.34/19,861.83 = 11,180.76/x
  3. Step 3: Cross multiply
    13,247.34x = 19,861.83 × 11,180.76
  4. Step 4: Simplify right side
    13,247.34x = 222,070,354.39
  5. Step 5: Solve for x
    x = 222,070,354.39/13,247.34
  6. Step 6: Final answer
    x = 16,763.39

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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.