Home / 18,743.59-25,865.39-10,786.10

Finding the Fourth Proportional to 18,743.59, 25,865.39 and 10,786.10

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Solution

The fourth proportional to 18,743.59, 25,865.39 and 10,786.10 is: 14,884.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,743.59 : 25,865.39 = 10,786.10 : x
  2. Step 2: Convert to fraction form
    18,743.59/25,865.39 = 10,786.10/x
  3. Step 3: Cross multiply
    18,743.59x = 25,865.39 × 10,786.10
  4. Step 4: Simplify right side
    18,743.59x = 278,986,683.08
  5. Step 5: Solve for x
    x = 278,986,683.08/18,743.59
  6. Step 6: Final answer
    x = 14,884.38

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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.