Home / 13,690.56-18,847.26-13,063.62

Finding the Fourth Proportional to 13,690.56, 18,847.26 and 13,063.62

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Solution

The fourth proportional to 13,690.56, 18,847.26 and 13,063.62 is: 17,984.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,690.56 : 18,847.26 = 13,063.62 : x
  2. Step 2: Convert to fraction form
    13,690.56/18,847.26 = 13,063.62/x
  3. Step 3: Cross multiply
    13,690.56x = 18,847.26 × 13,063.62
  4. Step 4: Simplify right side
    13,690.56x = 246,213,442.68
  5. Step 5: Solve for x
    x = 246,213,442.68/13,690.56
  6. Step 6: Final answer
    x = 17,984.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.