Home / 15,467.31-21,365.24-11,860.38

Finding the Fourth Proportional to 15,467.31, 21,365.24 and 11,860.38

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Solution

The fourth proportional to 15,467.31, 21,365.24 and 11,860.38 is: 16,382.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,467.31 : 21,365.24 = 11,860.38 : x
  2. Step 2: Convert to fraction form
    15,467.31/21,365.24 = 11,860.38/x
  3. Step 3: Cross multiply
    15,467.31x = 21,365.24 × 11,860.38
  4. Step 4: Simplify right side
    15,467.31x = 253,399,805.89
  5. Step 5: Solve for x
    x = 253,399,805.89/15,467.31
  6. Step 6: Final answer
    x = 16,382.93

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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.