Home / 17,352.80-23,940.42-11,387.78

Finding the Fourth Proportional to 17,352.80, 23,940.42 and 11,387.78

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Solution

The fourth proportional to 17,352.80, 23,940.42 and 11,387.78 is: 15,710.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,352.80 : 23,940.42 = 11,387.78 : x
  2. Step 2: Convert to fraction form
    17,352.80/23,940.42 = 11,387.78/x
  3. Step 3: Cross multiply
    17,352.80x = 23,940.42 × 11,387.78
  4. Step 4: Simplify right side
    17,352.80x = 272,628,236.07
  5. Step 5: Solve for x
    x = 272,628,236.07/17,352.80
  6. Step 6: Final answer
    x = 15,710.91

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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.