Home / 15,672.39-23,493.58-5,809.02

Finding the Fourth Proportional to 15,672.39, 23,493.58 and 5,809.02

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Solution

The fourth proportional to 15,672.39, 23,493.58 and 5,809.02 is: 8,707.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,672.39 : 23,493.58 = 5,809.02 : x
  2. Step 2: Convert to fraction form
    15,672.39/23,493.58 = 5,809.02/x
  3. Step 3: Cross multiply
    15,672.39x = 23,493.58 × 5,809.02
  4. Step 4: Simplify right side
    15,672.39x = 136,474,676.09
  5. Step 5: Solve for x
    x = 136,474,676.09/15,672.39
  6. Step 6: Final answer
    x = 8,707.97

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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.