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Finding the Fourth Proportional to 19,877.77, 29,821.03 and 11,006.01

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Solution

The fourth proportional to 19,877.77, 29,821.03 and 11,006.01 is: 16,511.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,877.77 : 29,821.03 = 11,006.01 : x
  2. Step 2: Convert to fraction form
    19,877.77/29,821.03 = 11,006.01/x
  3. Step 3: Cross multiply
    19,877.77x = 29,821.03 × 11,006.01
  4. Step 4: Simplify right side
    19,877.77x = 328,210,526.88
  5. Step 5: Solve for x
    x = 328,210,526.88/19,877.77
  6. Step 6: Final answer
    x = 16,511.43

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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.