Home / 21,475.44-29,633.26-12,401.12

Finding the Fourth Proportional to 21,475.44, 29,633.26 and 12,401.12

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Solution

The fourth proportional to 21,475.44, 29,633.26 and 12,401.12 is: 17,111.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,475.44 : 29,633.26 = 12,401.12 : x
  2. Step 2: Convert to fraction form
    21,475.44/29,633.26 = 12,401.12/x
  3. Step 3: Cross multiply
    21,475.44x = 29,633.26 × 12,401.12
  4. Step 4: Simplify right side
    21,475.44x = 367,485,613.25
  5. Step 5: Solve for x
    x = 367,485,613.25/21,475.44
  6. Step 6: Final answer
    x = 17,111.90

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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.