Home / 18,860.49-26,016.64-11,774.61

Finding the Fourth Proportional to 18,860.49, 26,016.64 and 11,774.61

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Solution

The fourth proportional to 18,860.49, 26,016.64 and 11,774.61 is: 16,242.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,860.49 : 26,016.64 = 11,774.61 : x
  2. Step 2: Convert to fraction form
    18,860.49/26,016.64 = 11,774.61/x
  3. Step 3: Cross multiply
    18,860.49x = 26,016.64 × 11,774.61
  4. Step 4: Simplify right side
    18,860.49x = 306,335,659.43
  5. Step 5: Solve for x
    x = 306,335,659.43/18,860.49
  6. Step 6: Final answer
    x = 16,242.19

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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.