Home / 19,941.45-27,519.06-10,988.73

Finding the Fourth Proportional to 19,941.45, 27,519.06 and 10,988.73

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Solution

The fourth proportional to 19,941.45, 27,519.06 and 10,988.73 is: 15,164.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,941.45 : 27,519.06 = 10,988.73 : x
  2. Step 2: Convert to fraction form
    19,941.45/27,519.06 = 10,988.73/x
  3. Step 3: Cross multiply
    19,941.45x = 27,519.06 × 10,988.73
  4. Step 4: Simplify right side
    19,941.45x = 302,399,520.19
  5. Step 5: Solve for x
    x = 302,399,520.19/19,941.45
  6. Step 6: Final answer
    x = 15,164.37

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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.