Home / 19,950.63-29,930.32-5,911.75

Finding the Fourth Proportional to 19,950.63, 29,930.32 and 5,911.75

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Solution

The fourth proportional to 19,950.63, 29,930.32 and 5,911.75 is: 8,868.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,950.63 : 29,930.32 = 5,911.75 : x
  2. Step 2: Convert to fraction form
    19,950.63/29,930.32 = 5,911.75/x
  3. Step 3: Cross multiply
    19,950.63x = 29,930.32 × 5,911.75
  4. Step 4: Simplify right side
    19,950.63x = 176,940,670.18
  5. Step 5: Solve for x
    x = 176,940,670.18/19,950.63
  6. Step 6: Final answer
    x = 8,868.93

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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.