Home / 16,121.19-23,986.74-15,719.43

Finding the Fourth Proportional to 16,121.19, 23,986.74 and 15,719.43

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Solution

The fourth proportional to 16,121.19, 23,986.74 and 15,719.43 is: 23,388.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,121.19 : 23,986.74 = 15,719.43 : x
  2. Step 2: Convert to fraction form
    16,121.19/23,986.74 = 15,719.43/x
  3. Step 3: Cross multiply
    16,121.19x = 23,986.74 × 15,719.43
  4. Step 4: Simplify right side
    16,121.19x = 377,057,880.36
  5. Step 5: Solve for x
    x = 377,057,880.36/16,121.19
  6. Step 6: Final answer
    x = 23,388.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.