Home / 19,940.59-27,517.65-10,988.92

Finding the Fourth Proportional to 19,940.59, 27,517.65 and 10,988.92

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Solution

The fourth proportional to 19,940.59, 27,517.65 and 10,988.92 is: 15,164.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,940.59 : 27,517.65 = 10,988.92 : x
  2. Step 2: Convert to fraction form
    19,940.59/27,517.65 = 10,988.92/x
  3. Step 3: Cross multiply
    19,940.59x = 27,517.65 × 10,988.92
  4. Step 4: Simplify right side
    19,940.59x = 302,389,116.85
  5. Step 5: Solve for x
    x = 302,389,116.85/19,940.59
  6. Step 6: Final answer
    x = 15,164.51

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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.