Home / 14,665.33-20,231.85-8,693.80

Finding the Fourth Proportional to 14,665.33, 20,231.85 and 8,693.80

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Solution

The fourth proportional to 14,665.33, 20,231.85 and 8,693.80 is: 11,993.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,665.33 : 20,231.85 = 8,693.80 : x
  2. Step 2: Convert to fraction form
    14,665.33/20,231.85 = 8,693.80/x
  3. Step 3: Cross multiply
    14,665.33x = 20,231.85 × 8,693.80
  4. Step 4: Simplify right side
    14,665.33x = 175,891,657.53
  5. Step 5: Solve for x
    x = 175,891,657.53/14,665.33
  6. Step 6: Final answer
    x = 11,993.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.