Home / 13,718.26-18,930.81-8,052.92

Finding the Fourth Proportional to 13,718.26, 18,930.81 and 8,052.92

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Solution

The fourth proportional to 13,718.26, 18,930.81 and 8,052.92 is: 11,112.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,718.26 : 18,930.81 = 8,052.92 : x
  2. Step 2: Convert to fraction form
    13,718.26/18,930.81 = 8,052.92/x
  3. Step 3: Cross multiply
    13,718.26x = 18,930.81 × 8,052.92
  4. Step 4: Simplify right side
    13,718.26x = 152,448,305.00
  5. Step 5: Solve for x
    x = 152,448,305.00/13,718.26
  6. Step 6: Final answer
    x = 11,112.80

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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.