Home / 15,171.89-20,927.43-10,067.29

Finding the Fourth Proportional to 15,171.89, 20,927.43 and 10,067.29

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Solution

The fourth proportional to 15,171.89, 20,927.43 and 10,067.29 is: 13,886.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,171.89 : 20,927.43 = 10,067.29 : x
  2. Step 2: Convert to fraction form
    15,171.89/20,927.43 = 10,067.29/x
  3. Step 3: Cross multiply
    15,171.89x = 20,927.43 × 10,067.29
  4. Step 4: Simplify right side
    15,171.89x = 210,682,506.76
  5. Step 5: Solve for x
    x = 210,682,506.76/15,171.89
  6. Step 6: Final answer
    x = 13,886.37

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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.