Home / 12,539.96-17,305.36-6,874.60

Finding the Fourth Proportional to 12,539.96, 17,305.36 and 6,874.60

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Solution

The fourth proportional to 12,539.96, 17,305.36 and 6,874.60 is: 9,487.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,539.96 : 17,305.36 = 6,874.60 : x
  2. Step 2: Convert to fraction form
    12,539.96/17,305.36 = 6,874.60/x
  3. Step 3: Cross multiply
    12,539.96x = 17,305.36 × 6,874.60
  4. Step 4: Simplify right side
    12,539.96x = 118,967,427.86
  5. Step 5: Solve for x
    x = 118,967,427.86/12,539.96
  6. Step 6: Final answer
    x = 9,487.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.