Home / 10,785.12-16,177.68-2,993.94

Finding the Fourth Proportional to 10,785.12, 16,177.68 and 2,993.94

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Solution

The fourth proportional to 10,785.12, 16,177.68 and 2,993.94 is: 4,490.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,785.12 : 16,177.68 = 2,993.94 : x
  2. Step 2: Convert to fraction form
    10,785.12/16,177.68 = 2,993.94/x
  3. Step 3: Cross multiply
    10,785.12x = 16,177.68 × 2,993.94
  4. Step 4: Simplify right side
    10,785.12x = 48,435,003.26
  5. Step 5: Solve for x
    x = 48,435,003.26/10,785.12
  6. Step 6: Final answer
    x = 4,490.91

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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.