Home / 16,826.40-23,232.78-10,861.56

Finding the Fourth Proportional to 16,826.40, 23,232.78 and 10,861.56

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Solution

The fourth proportional to 16,826.40, 23,232.78 and 10,861.56 is: 14,996.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,826.40 : 23,232.78 = 10,861.56 : x
  2. Step 2: Convert to fraction form
    16,826.40/23,232.78 = 10,861.56/x
  3. Step 3: Cross multiply
    16,826.40x = 23,232.78 × 10,861.56
  4. Step 4: Simplify right side
    16,826.40x = 252,344,233.94
  5. Step 5: Solve for x
    x = 252,344,233.94/16,826.40
  6. Step 6: Final answer
    x = 14,996.92

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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.