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Finding the Fourth Proportional to 18,000.05, 27,008.40 and 6,903.05

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Solution

The fourth proportional to 18,000.05, 27,008.40 and 6,903.05 is: 10,357.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,000.05 : 27,008.40 = 6,903.05 : x
  2. Step 2: Convert to fraction form
    18,000.05/27,008.40 = 6,903.05/x
  3. Step 3: Cross multiply
    18,000.05x = 27,008.40 × 6,903.05
  4. Step 4: Simplify right side
    18,000.05x = 186,440,335.62
  5. Step 5: Solve for x
    x = 186,440,335.62/18,000.05
  6. Step 6: Final answer
    x = 10,357.77

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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.