Home / 18,669.66-25,769.19-10,716.06

Finding the Fourth Proportional to 18,669.66, 25,769.19 and 10,716.06

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Solution

The fourth proportional to 18,669.66, 25,769.19 and 10,716.06 is: 14,791.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,669.66 : 25,769.19 = 10,716.06 : x
  2. Step 2: Convert to fraction form
    18,669.66/25,769.19 = 10,716.06/x
  3. Step 3: Cross multiply
    18,669.66x = 25,769.19 × 10,716.06
  4. Step 4: Simplify right side
    18,669.66x = 276,144,186.19
  5. Step 5: Solve for x
    x = 276,144,186.19/18,669.66
  6. Step 6: Final answer
    x = 14,791.07

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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.