Home / 19,941.88-27,519.64-10,989.18

Finding the Fourth Proportional to 19,941.88, 27,519.64 and 10,989.18

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Solution

The fourth proportional to 19,941.88, 27,519.64 and 10,989.18 is: 15,164.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,941.88 : 27,519.64 = 10,989.18 : x
  2. Step 2: Convert to fraction form
    19,941.88/27,519.64 = 10,989.18/x
  3. Step 3: Cross multiply
    19,941.88x = 27,519.64 × 10,989.18
  4. Step 4: Simplify right side
    19,941.88x = 302,418,277.50
  5. Step 5: Solve for x
    x = 302,418,277.50/19,941.88
  6. Step 6: Final answer
    x = 15,164.98

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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.