Home / 13,242.28-19,863.42-4,008.28

Finding the Fourth Proportional to 13,242.28, 19,863.42 and 4,008.28

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Solution

The fourth proportional to 13,242.28, 19,863.42 and 4,008.28 is: 6,012.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,242.28 : 19,863.42 = 4,008.28 : x
  2. Step 2: Convert to fraction form
    13,242.28/19,863.42 = 4,008.28/x
  3. Step 3: Cross multiply
    13,242.28x = 19,863.42 × 4,008.28
  4. Step 4: Simplify right side
    13,242.28x = 79,618,149.12
  5. Step 5: Solve for x
    x = 79,618,149.12/13,242.28
  6. Step 6: Final answer
    x = 6,012.42

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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.