Home / 10,452.18-15,678.36-2,661

Finding the Fourth Proportional to 10,452.18, 15,678.36 and 2,661

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Solution

The fourth proportional to 10,452.18, 15,678.36 and 2,661 is: 3,991.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,452.18 : 15,678.36 = 2,661 : x
  2. Step 2: Convert to fraction form
    10,452.18/15,678.36 = 2,661/x
  3. Step 3: Cross multiply
    10,452.18x = 15,678.36 × 2,661
  4. Step 4: Simplify right side
    10,452.18x = 41,720,115.96
  5. Step 5: Solve for x
    x = 41,720,115.96/10,452.18
  6. Step 6: Final answer
    x = 3,991.52

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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.