Home / 18,912.88-28,373.60-9,552.48

Finding the Fourth Proportional to 18,912.88, 28,373.60 and 9,552.48

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Solution

The fourth proportional to 18,912.88, 28,373.60 and 9,552.48 is: 14,330.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,912.88 : 28,373.60 = 9,552.48 : x
  2. Step 2: Convert to fraction form
    18,912.88/28,373.60 = 9,552.48/x
  3. Step 3: Cross multiply
    18,912.88x = 28,373.60 × 9,552.48
  4. Step 4: Simplify right side
    18,912.88x = 271,038,246.53
  5. Step 5: Solve for x
    x = 271,038,246.53/18,912.88
  6. Step 6: Final answer
    x = 14,330.88

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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.