Home / 19,940.60-27,517.64-10,988.94

Finding the Fourth Proportional to 19,940.60, 27,517.64 and 10,988.94

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Solution

The fourth proportional to 19,940.60, 27,517.64 and 10,988.94 is: 15,164.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,940.60 : 27,517.64 = 10,988.94 : x
  2. Step 2: Convert to fraction form
    19,940.60/27,517.64 = 10,988.94/x
  3. Step 3: Cross multiply
    19,940.60x = 27,517.64 × 10,988.94
  4. Step 4: Simplify right side
    19,940.60x = 302,389,694.90
  5. Step 5: Solve for x
    x = 302,389,694.90/19,940.60
  6. Step 6: Final answer
    x = 15,164.52

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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.