Home / 10,086.30-13,919.40-5,610.60

Finding the Fourth Proportional to 10,086.30, 13,919.40 and 5,610.60

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Solution

The fourth proportional to 10,086.30, 13,919.40 and 5,610.60 is: 7,742.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,086.30 : 13,919.40 = 5,610.60 : x
  2. Step 2: Convert to fraction form
    10,086.30/13,919.40 = 5,610.60/x
  3. Step 3: Cross multiply
    10,086.30x = 13,919.40 × 5,610.60
  4. Step 4: Simplify right side
    10,086.30x = 78,096,185.64
  5. Step 5: Solve for x
    x = 78,096,185.64/10,086.30
  6. Step 6: Final answer
    x = 7,742.80

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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.