Home / 11,826.32-17,686.22-10,517.76

Finding the Fourth Proportional to 11,826.32, 17,686.22 and 10,517.76

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Solution

The fourth proportional to 11,826.32, 17,686.22 and 10,517.76 is: 15,729.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,826.32 : 17,686.22 = 10,517.76 : x
  2. Step 2: Convert to fraction form
    11,826.32/17,686.22 = 10,517.76/x
  3. Step 3: Cross multiply
    11,826.32x = 17,686.22 × 10,517.76
  4. Step 4: Simplify right side
    11,826.32x = 186,019,364.68
  5. Step 5: Solve for x
    x = 186,019,364.68/11,826.32
  6. Step 6: Final answer
    x = 15,729.28

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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.