Home / 20,537.01-30,795.80-10,136.61

Finding the Fourth Proportional to 20,537.01, 30,795.80 and 10,136.61

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Solution

The fourth proportional to 20,537.01, 30,795.80 and 10,136.61 is: 15,200.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,537.01 : 30,795.80 = 10,136.61 : x
  2. Step 2: Convert to fraction form
    20,537.01/30,795.80 = 10,136.61/x
  3. Step 3: Cross multiply
    20,537.01x = 30,795.80 × 10,136.61
  4. Step 4: Simplify right side
    20,537.01x = 312,164,963.55
  5. Step 5: Solve for x
    x = 312,164,963.55/20,537.01
  6. Step 6: Final answer
    x = 15,200.12

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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.