Home / 12,773.79-19,161.09-4,454.69

Finding the Fourth Proportional to 12,773.79, 19,161.09 and 4,454.69

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Solution

The fourth proportional to 12,773.79, 19,161.09 and 4,454.69 is: 6,682.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,773.79 : 19,161.09 = 4,454.69 : x
  2. Step 2: Convert to fraction form
    12,773.79/19,161.09 = 4,454.69/x
  3. Step 3: Cross multiply
    12,773.79x = 19,161.09 × 4,454.69
  4. Step 4: Simplify right side
    12,773.79x = 85,356,620.21
  5. Step 5: Solve for x
    x = 85,356,620.21/12,773.79
  6. Step 6: Final answer
    x = 6,682.17

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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.