Home / 11,066.68-15,271.54-6,286.61

Finding the Fourth Proportional to 11,066.68, 15,271.54 and 6,286.61

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Solution

The fourth proportional to 11,066.68, 15,271.54 and 6,286.61 is: 8,675.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,066.68 : 15,271.54 = 6,286.61 : x
  2. Step 2: Convert to fraction form
    11,066.68/15,271.54 = 6,286.61/x
  3. Step 3: Cross multiply
    11,066.68x = 15,271.54 × 6,286.61
  4. Step 4: Simplify right side
    11,066.68x = 96,006,238.54
  5. Step 5: Solve for x
    x = 96,006,238.54/11,066.68
  6. Step 6: Final answer
    x = 8,675.25

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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.