Home / 11,617.60-17,415.84-4,687.36

Finding the Fourth Proportional to 11,617.60, 17,415.84 and 4,687.36

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Solution

The fourth proportional to 11,617.60, 17,415.84 and 4,687.36 is: 7,026.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,617.60 : 17,415.84 = 4,687.36 : x
  2. Step 2: Convert to fraction form
    11,617.60/17,415.84 = 4,687.36/x
  3. Step 3: Cross multiply
    11,617.60x = 17,415.84 × 4,687.36
  4. Step 4: Simplify right side
    11,617.60x = 81,634,311.78
  5. Step 5: Solve for x
    x = 81,634,311.78/11,617.60
  6. Step 6: Final answer
    x = 7,026.78

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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.