Home / 11,826.07-16,318.20-6,790.51

Finding the Fourth Proportional to 11,826.07, 16,318.20 and 6,790.51

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Solution

The fourth proportional to 11,826.07, 16,318.20 and 6,790.51 is: 9,369.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,826.07 : 16,318.20 = 6,790.51 : x
  2. Step 2: Convert to fraction form
    11,826.07/16,318.20 = 6,790.51/x
  3. Step 3: Cross multiply
    11,826.07x = 16,318.20 × 6,790.51
  4. Step 4: Simplify right side
    11,826.07x = 110,808,900.28
  5. Step 5: Solve for x
    x = 110,808,900.28/11,826.07
  6. Step 6: Final answer
    x = 9,369.88

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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.