Home / 18,679.26-25,778.92-10,723.02

Finding the Fourth Proportional to 18,679.26, 25,778.92 and 10,723.02

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Solution

The fourth proportional to 18,679.26, 25,778.92 and 10,723.02 is: 14,798.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,679.26 : 25,778.92 = 10,723.02 : x
  2. Step 2: Convert to fraction form
    18,679.26/25,778.92 = 10,723.02/x
  3. Step 3: Cross multiply
    18,679.26x = 25,778.92 × 10,723.02
  4. Step 4: Simplify right side
    18,679.26x = 276,427,895.20
  5. Step 5: Solve for x
    x = 276,427,895.20/18,679.26
  6. Step 6: Final answer
    x = 14,798.65

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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.