Home / 18,717.96-28,069.56-7,024.80

Finding the Fourth Proportional to 18,717.96, 28,069.56 and 7,024.80

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Solution

The fourth proportional to 18,717.96, 28,069.56 and 7,024.80 is: 10,534.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,717.96 : 28,069.56 = 7,024.80 : x
  2. Step 2: Convert to fraction form
    18,717.96/28,069.56 = 7,024.80/x
  3. Step 3: Cross multiply
    18,717.96x = 28,069.56 × 7,024.80
  4. Step 4: Simplify right side
    18,717.96x = 197,183,045.09
  5. Step 5: Solve for x
    x = 197,183,045.09/18,717.96
  6. Step 6: Final answer
    x = 10,534.43

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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.