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Finding the Fourth Proportional to 14,369.73, 19,829.03 and 8,400.77

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Solution

The fourth proportional to 14,369.73, 19,829.03 and 8,400.77 is: 11,592.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,369.73 : 19,829.03 = 8,400.77 : x
  2. Step 2: Convert to fraction form
    14,369.73/19,829.03 = 8,400.77/x
  3. Step 3: Cross multiply
    14,369.73x = 19,829.03 × 8,400.77
  4. Step 4: Simplify right side
    14,369.73x = 166,579,120.35
  5. Step 5: Solve for x
    x = 166,579,120.35/14,369.73
  6. Step 6: Final answer
    x = 11,592.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.