Home / 14,450.84-21,549.93-12,857.96

Finding the Fourth Proportional to 14,450.84, 21,549.93 and 12,857.96

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Solution

The fourth proportional to 14,450.84, 21,549.93 and 12,857.96 is: 19,174.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,450.84 : 21,549.93 = 12,857.96 : x
  2. Step 2: Convert to fraction form
    14,450.84/21,549.93 = 12,857.96/x
  3. Step 3: Cross multiply
    14,450.84x = 21,549.93 × 12,857.96
  4. Step 4: Simplify right side
    14,450.84x = 277,088,137.94
  5. Step 5: Solve for x
    x = 277,088,137.94/14,450.84
  6. Step 6: Final answer
    x = 19,174.54

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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.