Home / 15,436.93-23,104.89-8,399.38

Finding the Fourth Proportional to 15,436.93, 23,104.89 and 8,399.38

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Solution

The fourth proportional to 15,436.93, 23,104.89 and 8,399.38 is: 12,571.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,436.93 : 23,104.89 = 8,399.38 : x
  2. Step 2: Convert to fraction form
    15,436.93/23,104.89 = 8,399.38/x
  3. Step 3: Cross multiply
    15,436.93x = 23,104.89 × 8,399.38
  4. Step 4: Simplify right side
    15,436.93x = 194,066,750.97
  5. Step 5: Solve for x
    x = 194,066,750.97/15,436.93
  6. Step 6: Final answer
    x = 12,571.59

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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.