Home / 14,102.00-21,145.20-5,787.87

Finding the Fourth Proportional to 14,102.00, 21,145.20 and 5,787.87

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Solution

The fourth proportional to 14,102.00, 21,145.20 and 5,787.87 is: 8,678.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,102.00 : 21,145.20 = 5,787.87 : x
  2. Step 2: Convert to fraction form
    14,102.00/21,145.20 = 5,787.87/x
  3. Step 3: Cross multiply
    14,102.00x = 21,145.20 × 5,787.87
  4. Step 4: Simplify right side
    14,102.00x = 122,385,668.72
  5. Step 5: Solve for x
    x = 122,385,668.72/14,102.00
  6. Step 6: Final answer
    x = 8,678.60

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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.