Home / 19,662.28-29,483.39-6,509.91

Finding the Fourth Proportional to 19,662.28, 29,483.39 and 6,509.91

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Solution

The fourth proportional to 19,662.28, 29,483.39 and 6,509.91 is: 9,761.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,662.28 : 29,483.39 = 6,509.91 : x
  2. Step 2: Convert to fraction form
    19,662.28/29,483.39 = 6,509.91/x
  3. Step 3: Cross multiply
    19,662.28x = 29,483.39 × 6,509.91
  4. Step 4: Simplify right side
    19,662.28x = 191,934,121.11
  5. Step 5: Solve for x
    x = 191,934,121.11/19,662.28
  6. Step 6: Final answer
    x = 9,761.54

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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.