Home / 16,996.50-25,490.90-6,462.78

Finding the Fourth Proportional to 16,996.50, 25,490.90 and 6,462.78

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Solution

The fourth proportional to 16,996.50, 25,490.90 and 6,462.78 is: 9,692.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,996.50 : 25,490.90 = 6,462.78 : x
  2. Step 2: Convert to fraction form
    16,996.50/25,490.90 = 6,462.78/x
  3. Step 3: Cross multiply
    16,996.50x = 25,490.90 × 6,462.78
  4. Step 4: Simplify right side
    16,996.50x = 164,742,078.70
  5. Step 5: Solve for x
    x = 164,742,078.70/16,996.50
  6. Step 6: Final answer
    x = 9,692.71

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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.