Home / 16,778.29-25,168.34-4,298.44

Finding the Fourth Proportional to 16,778.29, 25,168.34 and 4,298.44

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Solution

The fourth proportional to 16,778.29, 25,168.34 and 4,298.44 is: 6,447.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,778.29 : 25,168.34 = 4,298.44 : x
  2. Step 2: Convert to fraction form
    16,778.29/25,168.34 = 4,298.44/x
  3. Step 3: Cross multiply
    16,778.29x = 25,168.34 × 4,298.44
  4. Step 4: Simplify right side
    16,778.29x = 108,184,599.39
  5. Step 5: Solve for x
    x = 108,184,599.39/16,778.29
  6. Step 6: Final answer
    x = 6,447.89

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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.