Home / 16,519.86-24,763.77-5,418.90

Finding the Fourth Proportional to 16,519.86, 24,763.77 and 5,418.90

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Solution

The fourth proportional to 16,519.86, 24,763.77 and 5,418.90 is: 8,123.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,519.86 : 24,763.77 = 5,418.90 : x
  2. Step 2: Convert to fraction form
    16,519.86/24,763.77 = 5,418.90/x
  3. Step 3: Cross multiply
    16,519.86x = 24,763.77 × 5,418.90
  4. Step 4: Simplify right side
    16,519.86x = 134,192,393.25
  5. Step 5: Solve for x
    x = 134,192,393.25/16,519.86
  6. Step 6: Final answer
    x = 8,123.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.