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Finding the Fourth Proportional to 19,674.90, 29,513.03 and 6,347.87

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Solution

The fourth proportional to 19,674.90, 29,513.03 and 6,347.87 is: 9,522.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,674.90 : 29,513.03 = 6,347.87 : x
  2. Step 2: Convert to fraction form
    19,674.90/29,513.03 = 6,347.87/x
  3. Step 3: Cross multiply
    19,674.90x = 29,513.03 × 6,347.87
  4. Step 4: Simplify right side
    19,674.90x = 187,344,844.82
  5. Step 5: Solve for x
    x = 187,344,844.82/19,674.90
  6. Step 6: Final answer
    x = 9,522.02

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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.