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Finding the Fourth Proportional to 18,333.79, 27,500.41 and 5,853.74

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Solution

The fourth proportional to 18,333.79, 27,500.41 and 5,853.74 is: 8,780.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,333.79 : 27,500.41 = 5,853.74 : x
  2. Step 2: Convert to fraction form
    18,333.79/27,500.41 = 5,853.74/x
  3. Step 3: Cross multiply
    18,333.79x = 27,500.41 × 5,853.74
  4. Step 4: Simplify right side
    18,333.79x = 160,980,241.61
  5. Step 5: Solve for x
    x = 160,980,241.61/18,333.79
  6. Step 6: Final answer
    x = 8,780.52

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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.