Home / 12,630.08-17,429.41-6,887.54

Finding the Fourth Proportional to 12,630.08, 17,429.41 and 6,887.54

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Solution

The fourth proportional to 12,630.08, 17,429.41 and 6,887.54 is: 9,504.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,630.08 : 17,429.41 = 6,887.54 : x
  2. Step 2: Convert to fraction form
    12,630.08/17,429.41 = 6,887.54/x
  3. Step 3: Cross multiply
    12,630.08x = 17,429.41 × 6,887.54
  4. Step 4: Simplify right side
    12,630.08x = 120,045,758.55
  5. Step 5: Solve for x
    x = 120,045,758.55/12,630.08
  6. Step 6: Final answer
    x = 9,504.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.