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Finding the Fourth Proportional to 18,600.67, 27,905.11 and 6,124.53

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Solution

The fourth proportional to 18,600.67, 27,905.11 and 6,124.53 is: 9,188.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,600.67 : 27,905.11 = 6,124.53 : x
  2. Step 2: Convert to fraction form
    18,600.67/27,905.11 = 6,124.53/x
  3. Step 3: Cross multiply
    18,600.67x = 27,905.11 × 6,124.53
  4. Step 4: Simplify right side
    18,600.67x = 170,905,683.35
  5. Step 5: Solve for x
    x = 170,905,683.35/18,600.67
  6. Step 6: Final answer
    x = 9,188.15

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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.