Home / 12,349.28-18,500.43-7,654.52

Finding the Fourth Proportional to 12,349.28, 18,500.43 and 7,654.52

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Solution

The fourth proportional to 12,349.28, 18,500.43 and 7,654.52 is: 11,467.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,349.28 : 18,500.43 = 7,654.52 : x
  2. Step 2: Convert to fraction form
    12,349.28/18,500.43 = 7,654.52/x
  3. Step 3: Cross multiply
    12,349.28x = 18,500.43 × 7,654.52
  4. Step 4: Simplify right side
    12,349.28x = 141,611,911.44
  5. Step 5: Solve for x
    x = 141,611,911.44/12,349.28
  6. Step 6: Final answer
    x = 11,467.22

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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.