Home / 10,785.34-16,175.58-4,208.14

Finding the Fourth Proportional to 10,785.34, 16,175.58 and 4,208.14

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Solution

The fourth proportional to 10,785.34, 16,175.58 and 4,208.14 is: 6,311.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,785.34 : 16,175.58 = 4,208.14 : x
  2. Step 2: Convert to fraction form
    10,785.34/16,175.58 = 4,208.14/x
  3. Step 3: Cross multiply
    10,785.34x = 16,175.58 × 4,208.14
  4. Step 4: Simplify right side
    10,785.34x = 68,069,105.22
  5. Step 5: Solve for x
    x = 68,069,105.22/10,785.34
  6. Step 6: Final answer
    x = 6,311.26

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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.