Home / 18,949.08-28,435.92-8,560.92

Finding the Fourth Proportional to 18,949.08, 28,435.92 and 8,560.92

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Solution

The fourth proportional to 18,949.08, 28,435.92 and 8,560.92 is: 12,846.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,949.08 : 28,435.92 = 8,560.92 : x
  2. Step 2: Convert to fraction form
    18,949.08/28,435.92 = 8,560.92/x
  3. Step 3: Cross multiply
    18,949.08x = 28,435.92 × 8,560.92
  4. Step 4: Simplify right side
    18,949.08x = 243,437,636.25
  5. Step 5: Solve for x
    x = 243,437,636.25/18,949.08
  6. Step 6: Final answer
    x = 12,846.94

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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.