Home / 15,878.62-23,771.76-13,763.91

Finding the Fourth Proportional to 15,878.62, 23,771.76 and 13,763.91

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Solution

The fourth proportional to 15,878.62, 23,771.76 and 13,763.91 is: 20,605.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,878.62 : 23,771.76 = 13,763.91 : x
  2. Step 2: Convert to fraction form
    15,878.62/23,771.76 = 13,763.91/x
  3. Step 3: Cross multiply
    15,878.62x = 23,771.76 × 13,763.91
  4. Step 4: Simplify right side
    15,878.62x = 327,192,365.18
  5. Step 5: Solve for x
    x = 327,192,365.18/15,878.62
  6. Step 6: Final answer
    x = 20,605.84

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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.