Home / 12,342.24-18,520.68-4,556.52

Finding the Fourth Proportional to 12,342.24, 18,520.68 and 4,556.52

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Solution

The fourth proportional to 12,342.24, 18,520.68 and 4,556.52 is: 6,837.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,342.24 : 18,520.68 = 4,556.52 : x
  2. Step 2: Convert to fraction form
    12,342.24/18,520.68 = 4,556.52/x
  3. Step 3: Cross multiply
    12,342.24x = 18,520.68 × 4,556.52
  4. Step 4: Simplify right side
    12,342.24x = 84,389,848.83
  5. Step 5: Solve for x
    x = 84,389,848.83/12,342.24
  6. Step 6: Final answer
    x = 6,837.48

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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.