Home / 14,137.28-19,509.16-7,764.04

Finding the Fourth Proportional to 14,137.28, 19,509.16 and 7,764.04

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Solution

The fourth proportional to 14,137.28, 19,509.16 and 7,764.04 is: 10,714.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,137.28 : 19,509.16 = 7,764.04 : x
  2. Step 2: Convert to fraction form
    14,137.28/19,509.16 = 7,764.04/x
  3. Step 3: Cross multiply
    14,137.28x = 19,509.16 × 7,764.04
  4. Step 4: Simplify right side
    14,137.28x = 151,469,898.61
  5. Step 5: Solve for x
    x = 151,469,898.61/14,137.28
  6. Step 6: Final answer
    x = 10,714.22

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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.