Home / 13,568.54-18,725.56-7,519.38

Finding the Fourth Proportional to 13,568.54, 18,725.56 and 7,519.38

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Solution

The fourth proportional to 13,568.54, 18,725.56 and 7,519.38 is: 10,377.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,568.54 : 18,725.56 = 7,519.38 : x
  2. Step 2: Convert to fraction form
    13,568.54/18,725.56 = 7,519.38/x
  3. Step 3: Cross multiply
    13,568.54x = 18,725.56 × 7,519.38
  4. Step 4: Simplify right side
    13,568.54x = 140,804,601.35
  5. Step 5: Solve for x
    x = 140,804,601.35/13,568.54
  6. Step 6: Final answer
    x = 10,377.28

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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.