Home / 18,818.67-25,969.38-11,646.68

Finding the Fourth Proportional to 18,818.67, 25,969.38 and 11,646.68

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Solution

The fourth proportional to 18,818.67, 25,969.38 and 11,646.68 is: 16,072.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,818.67 : 25,969.38 = 11,646.68 : x
  2. Step 2: Convert to fraction form
    18,818.67/25,969.38 = 11,646.68/x
  3. Step 3: Cross multiply
    18,818.67x = 25,969.38 × 11,646.68
  4. Step 4: Simplify right side
    18,818.67x = 302,456,982.52
  5. Step 5: Solve for x
    x = 302,456,982.52/18,818.67
  6. Step 6: Final answer
    x = 16,072.18

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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.