Home / 13,081.93-19,621.23-4,314.67

Finding the Fourth Proportional to 13,081.93, 19,621.23 and 4,314.67

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Solution

The fourth proportional to 13,081.93, 19,621.23 and 4,314.67 is: 6,471.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,081.93 : 19,621.23 = 4,314.67 : x
  2. Step 2: Convert to fraction form
    13,081.93/19,621.23 = 4,314.67/x
  3. Step 3: Cross multiply
    13,081.93x = 19,621.23 × 4,314.67
  4. Step 4: Simplify right side
    13,081.93x = 84,659,132.44
  5. Step 5: Solve for x
    x = 84,659,132.44/13,081.93
  6. Step 6: Final answer
    x = 6,471.46

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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.