Home / 16,785.57-25,178.36-4,305.60

Finding the Fourth Proportional to 16,785.57, 25,178.36 and 4,305.60

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Solution

The fourth proportional to 16,785.57, 25,178.36 and 4,305.60 is: 6,458.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,785.57 : 25,178.36 = 4,305.60 : x
  2. Step 2: Convert to fraction form
    16,785.57/25,178.36 = 4,305.60/x
  3. Step 3: Cross multiply
    16,785.57x = 25,178.36 × 4,305.60
  4. Step 4: Simplify right side
    16,785.57x = 108,407,820.92
  5. Step 5: Solve for x
    x = 108,407,820.92/16,785.57
  6. Step 6: Final answer
    x = 6,458.39

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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.