Home / 13,151.03-19,728.50-4,383.86

Finding the Fourth Proportional to 13,151.03, 19,728.50 and 4,383.86

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Solution

The fourth proportional to 13,151.03, 19,728.50 and 4,383.86 is: 6,576.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,151.03 : 19,728.50 = 4,383.86 : x
  2. Step 2: Convert to fraction form
    13,151.03/19,728.50 = 4,383.86/x
  3. Step 3: Cross multiply
    13,151.03x = 19,728.50 × 4,383.86
  4. Step 4: Simplify right side
    13,151.03x = 86,486,861.45
  5. Step 5: Solve for x
    x = 86,486,861.45/13,151.03
  6. Step 6: Final answer
    x = 6,576.44

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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.