Home / 12,673.80-18,999.09-4,876.74

Finding the Fourth Proportional to 12,673.80, 18,999.09 and 4,876.74

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Solution

The fourth proportional to 12,673.80, 18,999.09 and 4,876.74 is: 7,310.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,673.80 : 18,999.09 = 4,876.74 : x
  2. Step 2: Convert to fraction form
    12,673.80/18,999.09 = 4,876.74/x
  3. Step 3: Cross multiply
    12,673.80x = 18,999.09 × 4,876.74
  4. Step 4: Simplify right side
    12,673.80x = 92,653,622.17
  5. Step 5: Solve for x
    x = 92,653,622.17/12,673.80
  6. Step 6: Final answer
    x = 7,310.64

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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.