Home / 18,328.42-27,487.47-8,963.38

Finding the Fourth Proportional to 18,328.42, 27,487.47 and 8,963.38

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Solution

The fourth proportional to 18,328.42, 27,487.47 and 8,963.38 is: 13,442.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,328.42 : 27,487.47 = 8,963.38 : x
  2. Step 2: Convert to fraction form
    18,328.42/27,487.47 = 8,963.38/x
  3. Step 3: Cross multiply
    18,328.42x = 27,487.47 × 8,963.38
  4. Step 4: Simplify right side
    18,328.42x = 246,380,638.85
  5. Step 5: Solve for x
    x = 246,380,638.85/18,328.42
  6. Step 6: Final answer
    x = 13,442.55

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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.