Home / 12,508.92-18,776.58-12,226.56

Finding the Fourth Proportional to 12,508.92, 18,776.58 and 12,226.56

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Solution

The fourth proportional to 12,508.92, 18,776.58 and 12,226.56 is: 18,352.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,508.92 : 18,776.58 = 12,226.56 : x
  2. Step 2: Convert to fraction form
    12,508.92/18,776.58 = 12,226.56/x
  3. Step 3: Cross multiply
    12,508.92x = 18,776.58 × 12,226.56
  4. Step 4: Simplify right side
    12,508.92x = 229,572,981.96
  5. Step 5: Solve for x
    x = 229,572,981.96/12,508.92
  6. Step 6: Final answer
    x = 18,352.74

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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.