Home / 11,826.72-17,719.20-10,539.63

Finding the Fourth Proportional to 11,826.72, 17,719.20 and 10,539.63

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Solution

The fourth proportional to 11,826.72, 17,719.20 and 10,539.63 is: 15,790.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,826.72 : 17,719.20 = 10,539.63 : x
  2. Step 2: Convert to fraction form
    11,826.72/17,719.20 = 10,539.63/x
  3. Step 3: Cross multiply
    11,826.72x = 17,719.20 × 10,539.63
  4. Step 4: Simplify right side
    11,826.72x = 186,753,811.90
  5. Step 5: Solve for x
    x = 186,753,811.90/11,826.72
  6. Step 6: Final answer
    x = 15,790.84

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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.