Home / 13,824.25-19,062.39-9,340.22

Finding the Fourth Proportional to 13,824.25, 19,062.39 and 9,340.22

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Solution

The fourth proportional to 13,824.25, 19,062.39 and 9,340.22 is: 12,879.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,824.25 : 19,062.39 = 9,340.22 : x
  2. Step 2: Convert to fraction form
    13,824.25/19,062.39 = 9,340.22/x
  3. Step 3: Cross multiply
    13,824.25x = 19,062.39 × 9,340.22
  4. Step 4: Simplify right side
    13,824.25x = 178,046,963.98
  5. Step 5: Solve for x
    x = 178,046,963.98/13,824.25
  6. Step 6: Final answer
    x = 12,879.32

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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.