Home / 18,755.39-25,861.83-12,038.48

Finding the Fourth Proportional to 18,755.39, 25,861.83 and 12,038.48

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Solution

The fourth proportional to 18,755.39, 25,861.83 and 12,038.48 is: 16,599.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,755.39 : 25,861.83 = 12,038.48 : x
  2. Step 2: Convert to fraction form
    18,755.39/25,861.83 = 12,038.48/x
  3. Step 3: Cross multiply
    18,755.39x = 25,861.83 × 12,038.48
  4. Step 4: Simplify right side
    18,755.39x = 311,337,123.22
  5. Step 5: Solve for x
    x = 311,337,123.22/18,755.39
  6. Step 6: Final answer
    x = 16,599.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.