Home / 18,743.71-25,865.83-10,245.85

Finding the Fourth Proportional to 18,743.71, 25,865.83 and 10,245.85

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Solution

The fourth proportional to 18,743.71, 25,865.83 and 10,245.85 is: 14,139.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,743.71 : 25,865.83 = 10,245.85 : x
  2. Step 2: Convert to fraction form
    18,743.71/25,865.83 = 10,245.85/x
  3. Step 3: Cross multiply
    18,743.71x = 25,865.83 × 10,245.85
  4. Step 4: Simplify right side
    18,743.71x = 265,017,324.03
  5. Step 5: Solve for x
    x = 265,017,324.03/18,743.71
  6. Step 6: Final answer
    x = 14,139.00

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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.