Home / 19,772.61-27,287.82-11,277.41

Finding the Fourth Proportional to 19,772.61, 27,287.82 and 11,277.41

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Solution

The fourth proportional to 19,772.61, 27,287.82 and 11,277.41 is: 15,563.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,772.61 : 27,287.82 = 11,277.41 : x
  2. Step 2: Convert to fraction form
    19,772.61/27,287.82 = 11,277.41/x
  3. Step 3: Cross multiply
    19,772.61x = 27,287.82 × 11,277.41
  4. Step 4: Simplify right side
    19,772.61x = 307,735,934.15
  5. Step 5: Solve for x
    x = 307,735,934.15/19,772.61
  6. Step 6: Final answer
    x = 15,563.75

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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.