Home / 19,815.36-29,722.32-5,964

Finding the Fourth Proportional to 19,815.36, 29,722.32 and 5,964

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Solution

The fourth proportional to 19,815.36, 29,722.32 and 5,964 is: 8,945.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,815.36 : 29,722.32 = 5,964 : x
  2. Step 2: Convert to fraction form
    19,815.36/29,722.32 = 5,964/x
  3. Step 3: Cross multiply
    19,815.36x = 29,722.32 × 5,964
  4. Step 4: Simplify right side
    19,815.36x = 177,263,916.48
  5. Step 5: Solve for x
    x = 177,263,916.48/19,815.36
  6. Step 6: Final answer
    x = 8,945.78

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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.