Home / 18,769.34-25,900.94-10,811.82

Finding the Fourth Proportional to 18,769.34, 25,900.94 and 10,811.82

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Solution

The fourth proportional to 18,769.34, 25,900.94 and 10,811.82 is: 14,919.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,769.34 : 25,900.94 = 10,811.82 : x
  2. Step 2: Convert to fraction form
    18,769.34/25,900.94 = 10,811.82/x
  3. Step 3: Cross multiply
    18,769.34x = 25,900.94 × 10,811.82
  4. Step 4: Simplify right side
    18,769.34x = 280,036,301.11
  5. Step 5: Solve for x
    x = 280,036,301.11/18,769.34
  6. Step 6: Final answer
    x = 14,919.88

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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.