Home / 18,524.96-25,542.12-12,864.56

Finding the Fourth Proportional to 18,524.96, 25,542.12 and 12,864.56

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Solution

The fourth proportional to 18,524.96, 25,542.12 and 12,864.56 is: 17,737.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,524.96 : 25,542.12 = 12,864.56 : x
  2. Step 2: Convert to fraction form
    18,524.96/25,542.12 = 12,864.56/x
  3. Step 3: Cross multiply
    18,524.96x = 25,542.12 × 12,864.56
  4. Step 4: Simplify right side
    18,524.96x = 328,588,135.27
  5. Step 5: Solve for x
    x = 328,588,135.27/18,524.96
  6. Step 6: Final answer
    x = 17,737.59

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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.