Home / 18,311.57-25,269.82-10,354.07

Finding the Fourth Proportional to 18,311.57, 25,269.82 and 10,354.07

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Solution

The fourth proportional to 18,311.57, 25,269.82 and 10,354.07 is: 14,288.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,311.57 : 25,269.82 = 10,354.07 : x
  2. Step 2: Convert to fraction form
    18,311.57/25,269.82 = 10,354.07/x
  3. Step 3: Cross multiply
    18,311.57x = 25,269.82 × 10,354.07
  4. Step 4: Simplify right side
    18,311.57x = 261,645,561.28
  5. Step 5: Solve for x
    x = 261,645,561.28/18,311.57
  6. Step 6: Final answer
    x = 14,288.54

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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.