Home / 12,845.97-19,259.61-8,675.64

Finding the Fourth Proportional to 12,845.97, 19,259.61 and 8,675.64

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Solution

The fourth proportional to 12,845.97, 19,259.61 and 8,675.64 is: 13,007.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,845.97 : 19,259.61 = 8,675.64 : x
  2. Step 2: Convert to fraction form
    12,845.97/19,259.61 = 8,675.64/x
  3. Step 3: Cross multiply
    12,845.97x = 19,259.61 × 8,675.64
  4. Step 4: Simplify right side
    12,845.97x = 167,089,442.90
  5. Step 5: Solve for x
    x = 167,089,442.90/12,845.97
  6. Step 6: Final answer
    x = 13,007.15

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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.