Home / 12,422.08-17,142.72-6,833.44

Finding the Fourth Proportional to 12,422.08, 17,142.72 and 6,833.44

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Solution

The fourth proportional to 12,422.08, 17,142.72 and 6,833.44 is: 9,430.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,422.08 : 17,142.72 = 6,833.44 : x
  2. Step 2: Convert to fraction form
    12,422.08/17,142.72 = 6,833.44/x
  3. Step 3: Cross multiply
    12,422.08x = 17,142.72 × 6,833.44
  4. Step 4: Simplify right side
    12,422.08x = 117,143,748.56
  5. Step 5: Solve for x
    x = 117,143,748.56/12,422.08
  6. Step 6: Final answer
    x = 9,430.28

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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.