Home / 11,305.28-15,601.40-6,269.60

Finding the Fourth Proportional to 11,305.28, 15,601.40 and 6,269.60

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Solution

The fourth proportional to 11,305.28, 15,601.40 and 6,269.60 is: 8,652.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,305.28 : 15,601.40 = 6,269.60 : x
  2. Step 2: Convert to fraction form
    11,305.28/15,601.40 = 6,269.60/x
  3. Step 3: Cross multiply
    11,305.28x = 15,601.40 × 6,269.60
  4. Step 4: Simplify right side
    11,305.28x = 97,814,537.44
  5. Step 5: Solve for x
    x = 97,814,537.44/11,305.28
  6. Step 6: Final answer
    x = 8,652.11

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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.