Home / 19,941.58-27,519.06-11,880.88

Finding the Fourth Proportional to 19,941.58, 27,519.06 and 11,880.88

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Solution

The fourth proportional to 19,941.58, 27,519.06 and 11,880.88 is: 16,395.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,941.58 : 27,519.06 = 11,880.88 : x
  2. Step 2: Convert to fraction form
    19,941.58/27,519.06 = 11,880.88/x
  3. Step 3: Cross multiply
    19,941.58x = 27,519.06 × 11,880.88
  4. Step 4: Simplify right side
    19,941.58x = 326,950,649.57
  5. Step 5: Solve for x
    x = 326,950,649.57/19,941.58
  6. Step 6: Final answer
    x = 16,395.42

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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.