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Finding the Fourth Proportional to 19,369.66, 29,053.04 and 11,023.48

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Solution

The fourth proportional to 19,369.66, 29,053.04 and 11,023.48 is: 16,534.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,369.66 : 29,053.04 = 11,023.48 : x
  2. Step 2: Convert to fraction form
    19,369.66/29,053.04 = 11,023.48/x
  3. Step 3: Cross multiply
    19,369.66x = 29,053.04 × 11,023.48
  4. Step 4: Simplify right side
    19,369.66x = 320,265,605.38
  5. Step 5: Solve for x
    x = 320,265,605.38/19,369.66
  6. Step 6: Final answer
    x = 16,534.39

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1.5x scale

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.