Home / 19,707.82-29,561.46-4,916.86

Finding the Fourth Proportional to 19,707.82, 29,561.46 and 4,916.86

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Solution

The fourth proportional to 19,707.82, 29,561.46 and 4,916.86 is: 7,375.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,707.82 : 29,561.46 = 4,916.86 : x
  2. Step 2: Convert to fraction form
    19,707.82/29,561.46 = 4,916.86/x
  3. Step 3: Cross multiply
    19,707.82x = 29,561.46 × 4,916.86
  4. Step 4: Simplify right side
    19,707.82x = 145,349,560.22
  5. Step 5: Solve for x
    x = 145,349,560.22/19,707.82
  6. Step 6: Final answer
    x = 7,375.22

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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.