Home / 13,081.59-19,612.50-6,749.67

Finding the Fourth Proportional to 13,081.59, 19,612.50 and 6,749.67

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Solution

The fourth proportional to 13,081.59, 19,612.50 and 6,749.67 is: 10,119.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,081.59 : 19,612.50 = 6,749.67 : x
  2. Step 2: Convert to fraction form
    13,081.59/19,612.50 = 6,749.67/x
  3. Step 3: Cross multiply
    13,081.59x = 19,612.50 × 6,749.67
  4. Step 4: Simplify right side
    13,081.59x = 132,377,902.88
  5. Step 5: Solve for x
    x = 132,377,902.88/13,081.59
  6. Step 6: Final answer
    x = 10,119.40

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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.