Home / 18,136.18-27,204.42-4,989.27

Finding the Fourth Proportional to 18,136.18, 27,204.42 and 4,989.27

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Solution

The fourth proportional to 18,136.18, 27,204.42 and 4,989.27 is: 7,483.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,136.18 : 27,204.42 = 4,989.27 : x
  2. Step 2: Convert to fraction form
    18,136.18/27,204.42 = 4,989.27/x
  3. Step 3: Cross multiply
    18,136.18x = 27,204.42 × 4,989.27
  4. Step 4: Simplify right side
    18,136.18x = 135,730,196.57
  5. Step 5: Solve for x
    x = 135,730,196.57/18,136.18
  6. Step 6: Final answer
    x = 7,483.95

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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.