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Finding the Fourth Proportional to 18,329.39, 27,484.06 and 8,459.89

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Solution

The fourth proportional to 18,329.39, 27,484.06 and 8,459.89 is: 12,685.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,329.39 : 27,484.06 = 8,459.89 : x
  2. Step 2: Convert to fraction form
    18,329.39/27,484.06 = 8,459.89/x
  3. Step 3: Cross multiply
    18,329.39x = 27,484.06 × 8,459.89
  4. Step 4: Simplify right side
    18,329.39x = 232,512,204.95
  5. Step 5: Solve for x
    x = 232,512,204.95/18,329.39
  6. Step 6: Final answer
    x = 12,685.21

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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.