Home / 12,683.06-18,996.85-6,432.30

Finding the Fourth Proportional to 12,683.06, 18,996.85 and 6,432.30

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Solution

The fourth proportional to 12,683.06, 18,996.85 and 6,432.30 is: 9,634.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,683.06 : 18,996.85 = 6,432.30 : x
  2. Step 2: Convert to fraction form
    12,683.06/18,996.85 = 6,432.30/x
  3. Step 3: Cross multiply
    12,683.06x = 18,996.85 × 6,432.30
  4. Step 4: Simplify right side
    12,683.06x = 122,193,438.26
  5. Step 5: Solve for x
    x = 122,193,438.26/12,683.06
  6. Step 6: Final answer
    x = 9,634.38

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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.