Home / 15,456.78-23,175.26-10,185.66

Finding the Fourth Proportional to 15,456.78, 23,175.26 and 10,185.66

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Solution

The fourth proportional to 15,456.78, 23,175.26 and 10,185.66 is: 15,271.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,456.78 : 23,175.26 = 10,185.66 : x
  2. Step 2: Convert to fraction form
    15,456.78/23,175.26 = 10,185.66/x
  3. Step 3: Cross multiply
    15,456.78x = 23,175.26 × 10,185.66
  4. Step 4: Simplify right side
    15,456.78x = 236,055,318.77
  5. Step 5: Solve for x
    x = 236,055,318.77/15,456.78
  6. Step 6: Final answer
    x = 15,271.96

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.