Home / 12,899.42-19,350.48-5,504.66

Finding the Fourth Proportional to 12,899.42, 19,350.48 and 5,504.66

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Solution

The fourth proportional to 12,899.42, 19,350.48 and 5,504.66 is: 8,257.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,899.42 : 19,350.48 = 5,504.66 : x
  2. Step 2: Convert to fraction form
    12,899.42/19,350.48 = 5,504.66/x
  3. Step 3: Cross multiply
    12,899.42x = 19,350.48 × 5,504.66
  4. Step 4: Simplify right side
    12,899.42x = 106,517,813.24
  5. Step 5: Solve for x
    x = 106,517,813.24/12,899.42
  6. Step 6: Final answer
    x = 8,257.57

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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.