Home / 12,438.44-17,164.71-6,773.30

Finding the Fourth Proportional to 12,438.44, 17,164.71 and 6,773.30

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Solution

The fourth proportional to 12,438.44, 17,164.71 and 6,773.30 is: 9,346.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,438.44 : 17,164.71 = 6,773.30 : x
  2. Step 2: Convert to fraction form
    12,438.44/17,164.71 = 6,773.30/x
  3. Step 3: Cross multiply
    12,438.44x = 17,164.71 × 6,773.30
  4. Step 4: Simplify right side
    12,438.44x = 116,261,730.24
  5. Step 5: Solve for x
    x = 116,261,730.24/12,438.44
  6. Step 6: Final answer
    x = 9,346.97

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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.