Home / 12,018.92-18,021.90-4,625.24

Finding the Fourth Proportional to 12,018.92, 18,021.90 and 4,625.24

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Solution

The fourth proportional to 12,018.92, 18,021.90 and 4,625.24 is: 6,935.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,018.92 : 18,021.90 = 4,625.24 : x
  2. Step 2: Convert to fraction form
    12,018.92/18,021.90 = 4,625.24/x
  3. Step 3: Cross multiply
    12,018.92x = 18,021.90 × 4,625.24
  4. Step 4: Simplify right side
    12,018.92x = 83,355,612.76
  5. Step 5: Solve for x
    x = 83,355,612.76/12,018.92
  6. Step 6: Final answer
    x = 6,935.37

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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.