Home / 13,661.06-18,850.93-10,077.97

Finding the Fourth Proportional to 13,661.06, 18,850.93 and 10,077.97

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Solution

The fourth proportional to 13,661.06, 18,850.93 and 10,077.97 is: 13,906.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,661.06 : 18,850.93 = 10,077.97 : x
  2. Step 2: Convert to fraction form
    13,661.06/18,850.93 = 10,077.97/x
  3. Step 3: Cross multiply
    13,661.06x = 18,850.93 × 10,077.97
  4. Step 4: Simplify right side
    13,661.06x = 189,979,070.04
  5. Step 5: Solve for x
    x = 189,979,070.04/13,661.06
  6. Step 6: Final answer
    x = 13,906.62

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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.