Home / 13,310.18-19,969.43-3,950.25

Finding the Fourth Proportional to 13,310.18, 19,969.43 and 3,950.25

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Solution

The fourth proportional to 13,310.18, 19,969.43 and 3,950.25 is: 5,926.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,310.18 : 19,969.43 = 3,950.25 : x
  2. Step 2: Convert to fraction form
    13,310.18/19,969.43 = 3,950.25/x
  3. Step 3: Cross multiply
    13,310.18x = 19,969.43 × 3,950.25
  4. Step 4: Simplify right side
    13,310.18x = 78,884,240.86
  5. Step 5: Solve for x
    x = 78,884,240.86/13,310.18
  6. Step 6: Final answer
    x = 5,926.61

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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.