Home / 12,539.08-17,383.15-11,873.28

Finding the Fourth Proportional to 12,539.08, 17,383.15 and 11,873.28

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Solution

The fourth proportional to 12,539.08, 17,383.15 and 11,873.28 is: 16,460.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,539.08 : 17,383.15 = 11,873.28 : x
  2. Step 2: Convert to fraction form
    12,539.08/17,383.15 = 11,873.28/x
  3. Step 3: Cross multiply
    12,539.08x = 17,383.15 × 11,873.28
  4. Step 4: Simplify right side
    12,539.08x = 206,395,007.23
  5. Step 5: Solve for x
    x = 206,395,007.23/12,539.08
  6. Step 6: Final answer
    x = 16,460.14

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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.