Home / 11,450.96-15,810.05-7,150.62

Finding the Fourth Proportional to 11,450.96, 15,810.05 and 7,150.62

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Solution

The fourth proportional to 11,450.96, 15,810.05 and 7,150.62 is: 9,872.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,450.96 : 15,810.05 = 7,150.62 : x
  2. Step 2: Convert to fraction form
    11,450.96/15,810.05 = 7,150.62/x
  3. Step 3: Cross multiply
    11,450.96x = 15,810.05 × 7,150.62
  4. Step 4: Simplify right side
    11,450.96x = 113,051,544.93
  5. Step 5: Solve for x
    x = 113,051,544.93/11,450.96
  6. Step 6: Final answer
    x = 9,872.67

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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.