Home / 13,241.28-19,861.92-4,007.28

Finding the Fourth Proportional to 13,241.28, 19,861.92 and 4,007.28

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Solution

The fourth proportional to 13,241.28, 19,861.92 and 4,007.28 is: 6,010.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,241.28 : 19,861.92 = 4,007.28 : x
  2. Step 2: Convert to fraction form
    13,241.28/19,861.92 = 4,007.28/x
  3. Step 3: Cross multiply
    13,241.28x = 19,861.92 × 4,007.28
  4. Step 4: Simplify right side
    13,241.28x = 79,592,274.78
  5. Step 5: Solve for x
    x = 79,592,274.78/13,241.28
  6. Step 6: Final answer
    x = 6,010.92

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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.