Home / 18,425.72-25,426.26-10,360.61

Finding the Fourth Proportional to 18,425.72, 25,426.26 and 10,360.61

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Solution

The fourth proportional to 18,425.72, 25,426.26 and 10,360.61 is: 14,296.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,425.72 : 25,426.26 = 10,360.61 : x
  2. Step 2: Convert to fraction form
    18,425.72/25,426.26 = 10,360.61/x
  3. Step 3: Cross multiply
    18,425.72x = 25,426.26 × 10,360.61
  4. Step 4: Simplify right side
    18,425.72x = 263,431,436.49
  5. Step 5: Solve for x
    x = 263,431,436.49/18,425.72
  6. Step 6: Final answer
    x = 14,296.95

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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.