Home / 12,313.56-17,014.92-8,770.60

Finding the Fourth Proportional to 12,313.56, 17,014.92 and 8,770.60

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Solution

The fourth proportional to 12,313.56, 17,014.92 and 8,770.60 is: 12,119.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,313.56 : 17,014.92 = 8,770.60 : x
  2. Step 2: Convert to fraction form
    12,313.56/17,014.92 = 8,770.60/x
  3. Step 3: Cross multiply
    12,313.56x = 17,014.92 × 8,770.60
  4. Step 4: Simplify right side
    12,313.56x = 149,231,057.35
  5. Step 5: Solve for x
    x = 149,231,057.35/12,313.56
  6. Step 6: Final answer
    x = 12,119.25

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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.