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Finding the Fourth Proportional to 13,333.41, 18,400.87 and 8,029.02

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Solution

The fourth proportional to 13,333.41, 18,400.87 and 8,029.02 is: 11,080.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,333.41 : 18,400.87 = 8,029.02 : x
  2. Step 2: Convert to fraction form
    13,333.41/18,400.87 = 8,029.02/x
  3. Step 3: Cross multiply
    13,333.41x = 18,400.87 × 8,029.02
  4. Step 4: Simplify right side
    13,333.41x = 147,741,032.29
  5. Step 5: Solve for x
    x = 147,741,032.29/13,333.41
  6. Step 6: Final answer
    x = 11,080.51

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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.