Home / 11,360.40-17,040.60-4,439.76

Finding the Fourth Proportional to 11,360.40, 17,040.60 and 4,439.76

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Solution

The fourth proportional to 11,360.40, 17,040.60 and 4,439.76 is: 6,659.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,360.40 : 17,040.60 = 4,439.76 : x
  2. Step 2: Convert to fraction form
    11,360.40/17,040.60 = 4,439.76/x
  3. Step 3: Cross multiply
    11,360.40x = 17,040.60 × 4,439.76
  4. Step 4: Simplify right side
    11,360.40x = 75,656,174.26
  5. Step 5: Solve for x
    x = 75,656,174.26/11,360.40
  6. Step 6: Final answer
    x = 6,659.64

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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.