Home / 12,285.66-18,435.63-5,169.38

Finding the Fourth Proportional to 12,285.66, 18,435.63 and 5,169.38

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Solution

The fourth proportional to 12,285.66, 18,435.63 and 5,169.38 is: 7,757.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,285.66 : 18,435.63 = 5,169.38 : x
  2. Step 2: Convert to fraction form
    12,285.66/18,435.63 = 5,169.38/x
  3. Step 3: Cross multiply
    12,285.66x = 18,435.63 × 5,169.38
  4. Step 4: Simplify right side
    12,285.66x = 95,300,773.35
  5. Step 5: Solve for x
    x = 95,300,773.35/12,285.66
  6. Step 6: Final answer
    x = 7,757.07

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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.