Home / 12,259.50-16,918.44-6,954.12

Finding the Fourth Proportional to 12,259.50, 16,918.44 and 6,954.12

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Solution

The fourth proportional to 12,259.50, 16,918.44 and 6,954.12 is: 9,596.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,259.50 : 16,918.44 = 6,954.12 : x
  2. Step 2: Convert to fraction form
    12,259.50/16,918.44 = 6,954.12/x
  3. Step 3: Cross multiply
    12,259.50x = 16,918.44 × 6,954.12
  4. Step 4: Simplify right side
    12,259.50x = 117,652,861.97
  5. Step 5: Solve for x
    x = 117,652,861.97/12,259.50
  6. Step 6: Final answer
    x = 9,596.87

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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.