Home / 18,328.43-27,487.16-9,558.56

Finding the Fourth Proportional to 18,328.43, 27,487.16 and 9,558.56

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Solution

The fourth proportional to 18,328.43, 27,487.16 and 9,558.56 is: 14,334.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,328.43 : 27,487.16 = 9,558.56 : x
  2. Step 2: Convert to fraction form
    18,328.43/27,487.16 = 9,558.56/x
  3. Step 3: Cross multiply
    18,328.43x = 27,487.16 × 9,558.56
  4. Step 4: Simplify right side
    18,328.43x = 262,737,668.09
  5. Step 5: Solve for x
    x = 262,737,668.09/18,328.43
  6. Step 6: Final answer
    x = 14,334.98

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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.