Home / 15,615.88-23,423.62-3,769.56

Finding the Fourth Proportional to 15,615.88, 23,423.62 and 3,769.56

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Solution

The fourth proportional to 15,615.88, 23,423.62 and 3,769.56 is: 5,654.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,615.88 : 23,423.62 = 3,769.56 : x
  2. Step 2: Convert to fraction form
    15,615.88/23,423.62 = 3,769.56/x
  3. Step 3: Cross multiply
    15,615.88x = 23,423.62 × 3,769.56
  4. Step 4: Simplify right side
    15,615.88x = 88,296,741.01
  5. Step 5: Solve for x
    x = 88,296,741.01/15,615.88
  6. Step 6: Final answer
    x = 5,654.29

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1.5x scale

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.