Home / 18,743.15-25,866.33-10,785.41

Finding the Fourth Proportional to 18,743.15, 25,866.33 and 10,785.41

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Solution

The fourth proportional to 18,743.15, 25,866.33 and 10,785.41 is: 14,884.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,743.15 : 25,866.33 = 10,785.41 : x
  2. Step 2: Convert to fraction form
    18,743.15/25,866.33 = 10,785.41/x
  3. Step 3: Cross multiply
    18,743.15x = 25,866.33 × 10,785.41
  4. Step 4: Simplify right side
    18,743.15x = 278,978,974.25
  5. Step 5: Solve for x
    x = 278,978,974.25/18,743.15
  6. Step 6: Final answer
    x = 14,884.32

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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.