Home / 19,619.88-27,083.28-12,069.24

Finding the Fourth Proportional to 19,619.88, 27,083.28 and 12,069.24

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Solution

The fourth proportional to 19,619.88, 27,083.28 and 12,069.24 is: 16,660.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,619.88 : 27,083.28 = 12,069.24 : x
  2. Step 2: Convert to fraction form
    19,619.88/27,083.28 = 12,069.24/x
  3. Step 3: Cross multiply
    19,619.88x = 27,083.28 × 12,069.24
  4. Step 4: Simplify right side
    19,619.88x = 326,874,606.31
  5. Step 5: Solve for x
    x = 326,874,606.31/19,619.88
  6. Step 6: Final answer
    x = 16,660.38

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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.