Home / 11,065.42-15,269.34-6,349.60

Finding the Fourth Proportional to 11,065.42, 15,269.34 and 6,349.60

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Solution

The fourth proportional to 11,065.42, 15,269.34 and 6,349.60 is: 8,761.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,065.42 : 15,269.34 = 6,349.60 : x
  2. Step 2: Convert to fraction form
    11,065.42/15,269.34 = 6,349.60/x
  3. Step 3: Cross multiply
    11,065.42x = 15,269.34 × 6,349.60
  4. Step 4: Simplify right side
    11,065.42x = 96,954,201.26
  5. Step 5: Solve for x
    x = 96,954,201.26/11,065.42
  6. Step 6: Final answer
    x = 8,761.91

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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.