Home / 12,026.52-17,918.82-11,355.84

Finding the Fourth Proportional to 12,026.52, 17,918.82 and 11,355.84

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Solution

The fourth proportional to 12,026.52, 17,918.82 and 11,355.84 is: 16,919.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,026.52 : 17,918.82 = 11,355.84 : x
  2. Step 2: Convert to fraction form
    12,026.52/17,918.82 = 11,355.84/x
  3. Step 3: Cross multiply
    12,026.52x = 17,918.82 × 11,355.84
  4. Step 4: Simplify right side
    12,026.52x = 203,483,252.91
  5. Step 5: Solve for x
    x = 203,483,252.91/12,026.52
  6. Step 6: Final answer
    x = 16,919.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.