Home / 12,642.57-18,966.29-4,850.77

Finding the Fourth Proportional to 12,642.57, 18,966.29 and 4,850.77

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Solution

The fourth proportional to 12,642.57, 18,966.29 and 4,850.77 is: 7,277.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,642.57 : 18,966.29 = 4,850.77 : x
  2. Step 2: Convert to fraction form
    12,642.57/18,966.29 = 4,850.77/x
  3. Step 3: Cross multiply
    12,642.57x = 18,966.29 × 4,850.77
  4. Step 4: Simplify right side
    12,642.57x = 92,001,110.00
  5. Step 5: Solve for x
    x = 92,001,110.00/12,642.57
  6. Step 6: Final answer
    x = 7,277.09

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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.