Home / 13,021.26-17,969.36-7,052.99

Finding the Fourth Proportional to 13,021.26, 17,969.36 and 7,052.99

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Solution

The fourth proportional to 13,021.26, 17,969.36 and 7,052.99 is: 9,733.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,021.26 : 17,969.36 = 7,052.99 : x
  2. Step 2: Convert to fraction form
    13,021.26/17,969.36 = 7,052.99/x
  3. Step 3: Cross multiply
    13,021.26x = 17,969.36 × 7,052.99
  4. Step 4: Simplify right side
    13,021.26x = 126,737,591.27
  5. Step 5: Solve for x
    x = 126,737,591.27/13,021.26
  6. Step 6: Final answer
    x = 9,733.13

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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.