Home / 11,165.28-16,754.72-4,150.40

Finding the Fourth Proportional to 11,165.28, 16,754.72 and 4,150.40

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Solution

The fourth proportional to 11,165.28, 16,754.72 and 4,150.40 is: 6,228.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,165.28 : 16,754.72 = 4,150.40 : x
  2. Step 2: Convert to fraction form
    11,165.28/16,754.72 = 4,150.40/x
  3. Step 3: Cross multiply
    11,165.28x = 16,754.72 × 4,150.40
  4. Step 4: Simplify right side
    11,165.28x = 69,538,789.89
  5. Step 5: Solve for x
    x = 69,538,789.89/11,165.28
  6. Step 6: Final answer
    x = 6,228.13

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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.