Home / 12,511.08-17,344.20-11,845.26

Finding the Fourth Proportional to 12,511.08, 17,344.20 and 11,845.26

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Solution

The fourth proportional to 12,511.08, 17,344.20 and 11,845.26 is: 16,421.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,511.08 : 17,344.20 = 11,845.26 : x
  2. Step 2: Convert to fraction form
    12,511.08/17,344.20 = 11,845.26/x
  3. Step 3: Cross multiply
    12,511.08x = 17,344.20 × 11,845.26
  4. Step 4: Simplify right side
    12,511.08x = 205,446,558.49
  5. Step 5: Solve for x
    x = 205,446,558.49/12,511.08
  6. Step 6: Final answer
    x = 16,421.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.