Home / 11,005.56-15,187.70-6,292.60

Finding the Fourth Proportional to 11,005.56, 15,187.70 and 6,292.60

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Solution

The fourth proportional to 11,005.56, 15,187.70 and 6,292.60 is: 8,683.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,005.56 : 15,187.70 = 6,292.60 : x
  2. Step 2: Convert to fraction form
    11,005.56/15,187.70 = 6,292.60/x
  3. Step 3: Cross multiply
    11,005.56x = 15,187.70 × 6,292.60
  4. Step 4: Simplify right side
    11,005.56x = 95,570,121.02
  5. Step 5: Solve for x
    x = 95,570,121.02/11,005.56
  6. Step 6: Final answer
    x = 8,683.80

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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.