Home / 18,755.17-28,124.10-6,905.97

Finding the Fourth Proportional to 18,755.17, 28,124.10 and 6,905.97

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Solution

The fourth proportional to 18,755.17, 28,124.10 and 6,905.97 is: 10,355.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,755.17 : 28,124.10 = 6,905.97 : x
  2. Step 2: Convert to fraction form
    18,755.17/28,124.10 = 6,905.97/x
  3. Step 3: Cross multiply
    18,755.17x = 28,124.10 × 6,905.97
  4. Step 4: Simplify right side
    18,755.17x = 194,224,190.88
  5. Step 5: Solve for x
    x = 194,224,190.88/18,755.17
  6. Step 6: Final answer
    x = 10,355.77

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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.