Home / 18,474.09-27,728.42-9,124.67

Finding the Fourth Proportional to 18,474.09, 27,728.42 and 9,124.67

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Solution

The fourth proportional to 18,474.09, 27,728.42 and 9,124.67 is: 13,695.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,474.09 : 27,728.42 = 9,124.67 : x
  2. Step 2: Convert to fraction form
    18,474.09/27,728.42 = 9,124.67/x
  3. Step 3: Cross multiply
    18,474.09x = 27,728.42 × 9,124.67
  4. Step 4: Simplify right side
    18,474.09x = 253,012,497.86
  5. Step 5: Solve for x
    x = 253,012,497.86/18,474.09
  6. Step 6: Final answer
    x = 13,695.53

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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.