Home / 11,682.12-17,533.80-6,139.20

Finding the Fourth Proportional to 11,682.12, 17,533.80 and 6,139.20

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Solution

The fourth proportional to 11,682.12, 17,533.80 and 6,139.20 is: 9,214.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,682.12 : 17,533.80 = 6,139.20 : x
  2. Step 2: Convert to fraction form
    11,682.12/17,533.80 = 6,139.20/x
  3. Step 3: Cross multiply
    11,682.12x = 17,533.80 × 6,139.20
  4. Step 4: Simplify right side
    11,682.12x = 107,643,504.96
  5. Step 5: Solve for x
    x = 107,643,504.96/11,682.12
  6. Step 6: Final answer
    x = 9,214.38

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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.