Home / 10,186.93-15,282.75-3,166.57

Finding the Fourth Proportional to 10,186.93, 15,282.75 and 3,166.57

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Solution

The fourth proportional to 10,186.93, 15,282.75 and 3,166.57 is: 4,750.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,186.93 : 15,282.75 = 3,166.57 : x
  2. Step 2: Convert to fraction form
    10,186.93/15,282.75 = 3,166.57/x
  3. Step 3: Cross multiply
    10,186.93x = 15,282.75 × 3,166.57
  4. Step 4: Simplify right side
    10,186.93x = 48,393,897.67
  5. Step 5: Solve for x
    x = 48,393,897.67/10,186.93
  6. Step 6: Final answer
    x = 4,750.59

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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.