Home / 18,747.75-25,872.17-10,364.25

Finding the Fourth Proportional to 18,747.75, 25,872.17 and 10,364.25

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Solution

The fourth proportional to 18,747.75, 25,872.17 and 10,364.25 is: 14,302.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,747.75 : 25,872.17 = 10,364.25 : x
  2. Step 2: Convert to fraction form
    18,747.75/25,872.17 = 10,364.25/x
  3. Step 3: Cross multiply
    18,747.75x = 25,872.17 × 10,364.25
  4. Step 4: Simplify right side
    18,747.75x = 268,145,586.10
  5. Step 5: Solve for x
    x = 268,145,586.10/18,747.75
  6. Step 6: Final answer
    x = 14,302.81

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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.