Home / 19,838.38-29,771.96-7,360.19

Finding the Fourth Proportional to 19,838.38, 29,771.96 and 7,360.19

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Solution

The fourth proportional to 19,838.38, 29,771.96 and 7,360.19 is: 11,045.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,838.38 : 29,771.96 = 7,360.19 : x
  2. Step 2: Convert to fraction form
    19,838.38/29,771.96 = 7,360.19/x
  3. Step 3: Cross multiply
    19,838.38x = 29,771.96 × 7,360.19
  4. Step 4: Simplify right side
    19,838.38x = 219,127,282.27
  5. Step 5: Solve for x
    x = 219,127,282.27/19,838.38
  6. Step 6: Final answer
    x = 11,045.62

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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.