Home / 13,863.02-20,802.73-5,104.09

Finding the Fourth Proportional to 13,863.02, 20,802.73 and 5,104.09

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Solution

The fourth proportional to 13,863.02, 20,802.73 and 5,104.09 is: 7,659.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,863.02 : 20,802.73 = 5,104.09 : x
  2. Step 2: Convert to fraction form
    13,863.02/20,802.73 = 5,104.09/x
  3. Step 3: Cross multiply
    13,863.02x = 20,802.73 × 5,104.09
  4. Step 4: Simplify right side
    13,863.02x = 106,179,006.17
  5. Step 5: Solve for x
    x = 106,179,006.17/13,863.02
  6. Step 6: Final answer
    x = 7,659.15

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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.