Home / 43,574.24-65,354.53-11,986.67

Finding the Fourth Proportional to 43,574.24, 65,354.53 and 11,986.67

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Solution

The fourth proportional to 43,574.24, 65,354.53 and 11,986.67 is: 17,978.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,574.24 : 65,354.53 = 11,986.67 : x
  2. Step 2: Convert to fraction form
    43,574.24/65,354.53 = 11,986.67/x
  3. Step 3: Cross multiply
    43,574.24x = 65,354.53 × 11,986.67
  4. Step 4: Simplify right side
    43,574.24x = 783,383,317.53
  5. Step 5: Solve for x
    x = 783,383,317.53/43,574.24
  6. Step 6: Final answer
    x = 17,978.13

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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.