Home / 12,625.59-18,938.19-4,305.54

Finding the Fourth Proportional to 12,625.59, 18,938.19 and 4,305.54

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Solution

The fourth proportional to 12,625.59, 18,938.19 and 4,305.54 is: 6,458.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,625.59 : 18,938.19 = 4,305.54 : x
  2. Step 2: Convert to fraction form
    12,625.59/18,938.19 = 4,305.54/x
  3. Step 3: Cross multiply
    12,625.59x = 18,938.19 × 4,305.54
  4. Step 4: Simplify right side
    12,625.59x = 81,539,134.57
  5. Step 5: Solve for x
    x = 81,539,134.57/12,625.59
  6. Step 6: Final answer
    x = 6,458.24

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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.