Home / 13,008.43-17,951.57-7,040.05

Finding the Fourth Proportional to 13,008.43, 17,951.57 and 7,040.05

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Solution

The fourth proportional to 13,008.43, 17,951.57 and 7,040.05 is: 9,715.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,008.43 : 17,951.57 = 7,040.05 : x
  2. Step 2: Convert to fraction form
    13,008.43/17,951.57 = 7,040.05/x
  3. Step 3: Cross multiply
    13,008.43x = 17,951.57 × 7,040.05
  4. Step 4: Simplify right side
    13,008.43x = 126,379,896.70
  5. Step 5: Solve for x
    x = 126,379,896.70/13,008.43
  6. Step 6: Final answer
    x = 9,715.23

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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.