Home / 12,016.45-18,024.68-4,521.42

Finding the Fourth Proportional to 12,016.45, 18,024.68 and 4,521.42

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Solution

The fourth proportional to 12,016.45, 18,024.68 and 4,521.42 is: 6,782.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,016.45 : 18,024.68 = 4,521.42 : x
  2. Step 2: Convert to fraction form
    12,016.45/18,024.68 = 4,521.42/x
  3. Step 3: Cross multiply
    12,016.45x = 18,024.68 × 4,521.42
  4. Step 4: Simplify right side
    12,016.45x = 81,497,134.52
  5. Step 5: Solve for x
    x = 81,497,134.52/12,016.45
  6. Step 6: Final answer
    x = 6,782.13

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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.