Home / 12,495.85-17,244.27-6,830.62

Finding the Fourth Proportional to 12,495.85, 17,244.27 and 6,830.62

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Solution

The fourth proportional to 12,495.85, 17,244.27 and 6,830.62 is: 9,426.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,495.85 : 17,244.27 = 6,830.62 : x
  2. Step 2: Convert to fraction form
    12,495.85/17,244.27 = 6,830.62/x
  3. Step 3: Cross multiply
    12,495.85x = 17,244.27 × 6,830.62
  4. Step 4: Simplify right side
    12,495.85x = 117,789,115.73
  5. Step 5: Solve for x
    x = 117,789,115.73/12,495.85
  6. Step 6: Final answer
    x = 9,426.26

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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.