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Finding the Fourth Proportional to 19,946, 29,919 and 5,354

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Solution

The fourth proportional to 19,946, 29,919 and 5,354 is: 8,031

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,946 : 29,919 = 5,354 : x
  2. Step 2: Convert to fraction form
    19,946/29,919 = 5,354/x
  3. Step 3: Cross multiply
    19,946x = 29,919 × 5,354
  4. Step 4: Simplify right side
    19,946x = 160,186,326
  5. Step 5: Solve for x
    x = 160,186,326/19,946
  6. Step 6: Final answer
    x = 8,031

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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.