Home / 13,081.19-19,619.70-5,683.67

Finding the Fourth Proportional to 13,081.19, 19,619.70 and 5,683.67

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Solution

The fourth proportional to 13,081.19, 19,619.70 and 5,683.67 is: 8,524.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,081.19 : 19,619.70 = 5,683.67 : x
  2. Step 2: Convert to fraction form
    13,081.19/19,619.70 = 5,683.67/x
  3. Step 3: Cross multiply
    13,081.19x = 19,619.70 × 5,683.67
  4. Step 4: Simplify right side
    13,081.19x = 111,511,900.30
  5. Step 5: Solve for x
    x = 111,511,900.30/13,081.19
  6. Step 6: Final answer
    x = 8,524.60

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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.