Home / 13,018.26-19,527.19-3,157.62

Finding the Fourth Proportional to 13,018.26, 19,527.19 and 3,157.62

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Solution

The fourth proportional to 13,018.26, 19,527.19 and 3,157.62 is: 4,736.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,018.26 : 19,527.19 = 3,157.62 : x
  2. Step 2: Convert to fraction form
    13,018.26/19,527.19 = 3,157.62/x
  3. Step 3: Cross multiply
    13,018.26x = 19,527.19 × 3,157.62
  4. Step 4: Simplify right side
    13,018.26x = 61,659,437.79
  5. Step 5: Solve for x
    x = 61,659,437.79/13,018.26
  6. Step 6: Final answer
    x = 4,736.38

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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.