Home / 16,905.62-25,358.44-6,372.78

Finding the Fourth Proportional to 16,905.62, 25,358.44 and 6,372.78

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Solution

The fourth proportional to 16,905.62, 25,358.44 and 6,372.78 is: 9,559.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,905.62 : 25,358.44 = 6,372.78 : x
  2. Step 2: Convert to fraction form
    16,905.62/25,358.44 = 6,372.78/x
  3. Step 3: Cross multiply
    16,905.62x = 25,358.44 × 6,372.78
  4. Step 4: Simplify right side
    16,905.62x = 161,603,759.26
  5. Step 5: Solve for x
    x = 161,603,759.26/16,905.62
  6. Step 6: Final answer
    x = 9,559.17

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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.