Home / 25,474.84-38,213.24-12,140.96

Finding the Fourth Proportional to 25,474.84, 38,213.24 and 12,140.96

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Solution

The fourth proportional to 25,474.84, 38,213.24 and 12,140.96 is: 18,211.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,474.84 : 38,213.24 = 12,140.96 : x
  2. Step 2: Convert to fraction form
    25,474.84/38,213.24 = 12,140.96/x
  3. Step 3: Cross multiply
    25,474.84x = 38,213.24 × 12,140.96
  4. Step 4: Simplify right side
    25,474.84x = 463,945,418.31
  5. Step 5: Solve for x
    x = 463,945,418.31/25,474.84
  6. Step 6: Final answer
    x = 18,211.91

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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.