Home / 11,145.30-16,709.85-4,568.10

Finding the Fourth Proportional to 11,145.30, 16,709.85 and 4,568.10

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Solution

The fourth proportional to 11,145.30, 16,709.85 and 4,568.10 is: 6,848.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,145.30 : 16,709.85 = 4,568.10 : x
  2. Step 2: Convert to fraction form
    11,145.30/16,709.85 = 4,568.10/x
  3. Step 3: Cross multiply
    11,145.30x = 16,709.85 × 4,568.10
  4. Step 4: Simplify right side
    11,145.30x = 76,332,265.79
  5. Step 5: Solve for x
    x = 76,332,265.79/11,145.30
  6. Step 6: Final answer
    x = 6,848.83

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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.