Home / 12,633.29-18,941.82-5,242.85

Finding the Fourth Proportional to 12,633.29, 18,941.82 and 5,242.85

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Solution

The fourth proportional to 12,633.29, 18,941.82 and 5,242.85 is: 7,860.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,633.29 : 18,941.82 = 5,242.85 : x
  2. Step 2: Convert to fraction form
    12,633.29/18,941.82 = 5,242.85/x
  3. Step 3: Cross multiply
    12,633.29x = 18,941.82 × 5,242.85
  4. Step 4: Simplify right side
    12,633.29x = 99,309,026.28
  5. Step 5: Solve for x
    x = 99,309,026.28/12,633.29
  6. Step 6: Final answer
    x = 7,860.90

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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.