Home / 12,938.37-17,854.97-7,273.43

Finding the Fourth Proportional to 12,938.37, 17,854.97 and 7,273.43

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Solution

The fourth proportional to 12,938.37, 17,854.97 and 7,273.43 is: 10,037.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,938.37 : 17,854.97 = 7,273.43 : x
  2. Step 2: Convert to fraction form
    12,938.37/17,854.97 = 7,273.43/x
  3. Step 3: Cross multiply
    12,938.37x = 17,854.97 × 7,273.43
  4. Step 4: Simplify right side
    12,938.37x = 129,866,815.76
  5. Step 5: Solve for x
    x = 129,866,815.76/12,938.37
  6. Step 6: Final answer
    x = 10,037.34

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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.