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Finding the Fourth Proportional to 14,053.54, 19,377 and 11,367.64

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Solution

The fourth proportional to 14,053.54, 19,377 and 11,367.64 is: 15,673.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,053.54 : 19,377 = 11,367.64 : x
  2. Step 2: Convert to fraction form
    14,053.54/19,377 = 11,367.64/x
  3. Step 3: Cross multiply
    14,053.54x = 19,377 × 11,367.64
  4. Step 4: Simplify right side
    14,053.54x = 220,270,760.28
  5. Step 5: Solve for x
    x = 220,270,760.28/14,053.54
  6. Step 6: Final answer
    x = 15,673.69

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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.