Home / 13,834.67-20,741.38-7,164.05

Finding the Fourth Proportional to 13,834.67, 20,741.38 and 7,164.05

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Solution

The fourth proportional to 13,834.67, 20,741.38 and 7,164.05 is: 10,740.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,834.67 : 20,741.38 = 7,164.05 : x
  2. Step 2: Convert to fraction form
    13,834.67/20,741.38 = 7,164.05/x
  3. Step 3: Cross multiply
    13,834.67x = 20,741.38 × 7,164.05
  4. Step 4: Simplify right side
    13,834.67x = 148,592,161.77
  5. Step 5: Solve for x
    x = 148,592,161.77/13,834.67
  6. Step 6: Final answer
    x = 10,740.57

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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.